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Contents Imaging Systems, Microscopy, and Displays, 107 Article(s)
1725-nm HOPE for segmentation-enabled quantitative photoacoustic microscopy of intrahepatic lipids
Najia Sharmin... Huajun Tang, Chandra Jinata, Ningbo Chen, Bingfeng Li, Nikki Pui Yue Lee, Yitian Tong and Kenneth K. Y. Wong|Show fewer author(s)

Photoacoustic microscopy (PAM) operating within the 1.7-μm absorption window holds great promise for the quantitative imaging of lipids in various biological tissues. Despite its potential, the effectiveness of lipid-based PAM has

Photonics Research
Jun. 13, 2025, Vol. 13 Issue 7 1810 (2025)
Single-shot super-resolution imaging via discernibility in the high-dimensional light-field space based on ghost imaging
Zhishen Tong... Chenyu Hu, Jian Wang, Youheng Zhu, Xia Shen, Zhentao Liu and Shensheng Han|Show fewer author(s)

Super-resolution (SR) imaging has been widely used in several fields like remote sensing and microscopy. However, it is challenging for existing SR approaches to capture SR images in a single shot, especially in dynamic imaging sc

Photonics Research
Jun. 02, 2025, Vol. 13 Issue 6 1709 (2025)
Hand-held laser for miniature photoacoustic microscopy: triggerable, millimeter scale, cost-effective, and functional
Hanjie Wang... Xingyu Zhu, Xiaobin Weng, Lanxin Deng, Yitao Zheng, Zihan Shen, Huiyue You, Huajun Tang, Xin Dong, Mingyu Li, Shengchuang Bai, Jun Dong and Hongsen He|Show fewer author(s)

Miniaturization of photoacoustic microscopy (PAM) to portable and wearable levels requires special design of scanning, detection, acquisition, and excitation units. Now the first three can be minimized to gram and millimeter level

Photonics Research
On the CoverMay. 30, 2025, Vol. 13 Issue 6 1637 (2025)
Upsampled PSF enables high accuracy 3D superresolution imaging with sparse sampling rate
Jianwei Chen... Wei Shi, Jianzheng Feng, Jianlin Wang, Sheng Liu and Yiming Li|Show fewer author(s)

Single-molecule localization microscopy (SMLM) provides nanoscale imaging, but pixel integration of acquired SMLM images limited the choice of sampling rate, which restricts the information content conveyed within each image. We p

Photonics Research
May. 16, 2025, Vol. 13 Issue 6 1485 (2025)
Scattering correction through Fourier-domain intensity coupling in two-photon microscopy (2P-FOCUS)
Daniel Zepeda... Yucheng Li and Yi Xue|Show fewer author(s)

Light penetration depth in biological tissue is limited by tissue scattering. Correcting scattering becomes particularly challenging in scenarios with limited photon availability and when access to the transmission side of the sca

Photonics Research
Mar. 11, 2025, Vol. 13 Issue 4 845 (2025)
Spatial–spectral sparse deep learning combined with a freeform lens enables extreme depth-of-field hyperspectral imaging
Yitong Pan... Zhenqi Niu, Songlin Wan, Xiaolin Li, Zhen Cao, Yuying Lu, Jianda Shao and Chaoyang Wei|Show fewer author(s)

Traditional hyperspectral imaging (HI) systems are constrained by a limited depth of field (DoF), necessitating refocusing for any out-of-focus objects. This requirement not only slows down the imaging speed but also complicates t

Photonics Research
Mar. 11, 2025, Vol. 13 Issue 4 827 (2025)
Compact spectral-polarization-modulation method for rapid and versatile polarization measurements in interferometric imaging
Di Yang... Weike Wang, Songwen Xu, Zhuoqun Yuan and Yanmei Liang|Show fewer author(s)

Polarization-based detection technologies have broad applications across various fields. Integrating polarization with interferometric imaging holds significant promise for simultaneously capturing three-dimensional structure and

Photonics Research
Editors' PickMar. 31, 2025, Vol. 13 Issue 4 1049 (2025)
High-speed image reconstruction for nonlinear structured illumination microscopy
Jingxiang Zhang... Tianyu Zhao, Xiangda Fu, Manming Shu, Jiajing Yan, Mengrui Wang, Yansheng Liang, Shaowei Wang and Ming Lei|Show fewer author(s)

By exploiting the nonlinear responses of fluorescent probes, the spatial resolution of structured illumination microscopy (SIM) can be further increased. However, the traditional reconstruction method of nonlinear structured illum

Photonics Research
Feb. 28, 2025, Vol. 13 Issue 3 743 (2025)
Spatiotemporal shearing-based ultrafast framing photography for high performance transient imaging
Yu He... Yunhua Yao, Jiali Yao, Zhengqi Huang, Mengdi Guo, Bozhang Cheng, Hongmei Ma, Dalong Qi, Yuecheng Shen, Lianzhong Deng, Zhiyong Wang, Jian Wu, Zhenrong Sun and Shian Zhang|Show fewer author(s)

Framing photography provides a high temporal resolution and minimizes crosstalk between adjacent frames, making it an indispensable tool for recording ultrafast phenomena. To date, various ultrafast framing photography techniques

Photonics Research
Feb. 24, 2025, Vol. 13 Issue 3 642 (2025)
Lensless efficient snapshot hyperspectral imaging using dynamic phase modulation
Chong Zhang... Xianglei Liu, Lizhi Wang, Shining Ma, Yuanjin Zheng, Yue Liu, Hua Huang, Yongtian Wang and Weitao Song|Show fewer author(s)

Snapshot hyperspectral imaging based on a diffractive optical element (DOE) is increasingly featured in recent progress in deep optics. Despite remarkable advances in spatial and spectral resolutions, the limitations of current ph

Photonics Research
Editors' PickJan. 31, 2025, Vol. 13 Issue 2 511 (2025)
Fourier synthetic-aperture-based time-resolved terahertz imaging
Vivek Kumar... Pitambar Mukherjee, Lorenzo Valzania, Amaury Badon, Patrick Mounaix and Sylvain Gigan|Show fewer author(s)

Terahertz (THz) microscopy has attracted attention owing to distinctive characteristics of the THz frequency region, particularly non-ionizing photon energy, spectral fingerprint, and transparency to most nonpolar materials. Never

Photonics Research
Jan. 30, 2025, Vol. 13 Issue 2 407 (2025)
Snapshot coherent diffraction imaging across ultra-broadband spectra
Boyang Li... Zehua Xiao, Hao Yuan, Pei Huang, Huabao Cao, Hushan Wang, Wei Zhao and Yuxi Fu|Show fewer author(s)

Ultrafast imaging simultaneously pursuing high temporal and spatial resolution is a key technique to study the dynamics in the microscopic world. However, the broadband spectra of ultra-short pulses bring a major challenge to trad

Photonics Research
Aug. 30, 2024, Vol. 12 Issue 9 2068 (2024)
Towards an ultrafast 3D imaging scanning LiDAR system: a review
Zhi Li... Yaqi Han, Lican Wu, Zihan Zang, Maolin Dai, Sze Yun Set, Shinji Yamashita, Qian Li and H. Y. Fu|Show fewer author(s)

Light detection and ranging (LiDAR), as a hot imaging technology in both industry and academia, has undergone rapid innovation and evolution. The current mainstream direction is towards system miniaturization and integration. Ther

Photonics Research
Aug. 01, 2024, Vol. 12 Issue 8 1709 (2024)
Fourier-domain-compressed optical time-stretch quantitative phase imaging flow cytometry
Rubing Li... Yueyun Weng, Shubin Wei, Siyuan Lin, Jin Huang, Congkuan Song, Hui Shen, Jinxuan Hou, Yu Xu, Liye Mei, Du Wang, Yujie Zou, Tailang Yin, Fuling Zhou, Qing Geng, Sheng Liu and Cheng Lei|Show fewer author(s)

Optical time-stretch (OTS) imaging flow cytometry offers a promising solution for high-throughput and high-precision cell analysis due to its capabilities of high-speed, high-quality, and continuous imaging. Compressed sensing (CS

Photonics Research
Jul. 26, 2024, Vol. 12 Issue 8 1627 (2024)
Stimulation and imaging of neural cells via photonic nanojets
Heng Li... Xixi Chen, Tianli Wu, Zhiyong Gong, Jinghui Guo, Xiaosong Bai, Jiawei Li, Yao Zhang, Yuchao Li and Baojun Li|Show fewer author(s)

Various neuromodulation techniques have been developed to modulate the peak activity of neurons, thereby regulating brain function and alleviating neurological disorders. Additionally, neuronal stimulation and imaging have signifi

Photonics Research
Jul. 15, 2024, Vol. 12 Issue 8 1604 (2024)
Phase-modulated multi-foci microscopy for rapid 3D imaging
Weiqi Wang... Li Gong and Zhiwei Huang|Show fewer author(s)

3D imaging technology is pivotal in monitoring the functional dynamics and morphological alterations in living cells and tissues. However, conventional volumetric imaging associated with mechanical z-scanning encounters challenges

Photonics Research
Jul. 01, 2024, Vol. 12 Issue 7 1548 (2024)
Line-scanning microscopy with laterally symmetric imaging using simultaneous cross-line illumination
Dan Shen... Yafeng Li, Meng Wang, Yutong Han, Bolin Lu, Hui Gong, Qingming Luo and Jing Yuan|Show fewer author(s)

Using an on-the-fly scanning scheme, line confocal microscopy can obtain complex structures of large biological tissues with high throughput. Yet, it suffers from lateral imaging asymmetry and thus introduces the potential deforma

Photonics Research
Jul. 01, 2024, Vol. 12 Issue 7 1513 (2024)
Neural-field-assisted transport-of-intensity phase microscopy: partially coherent quantitative phase imaging under unknown defocus distance
Yanbo Jin... Linpeng Lu, Shun Zhou, Jie Zhou, Yao Fan and Chao Zuo|Show fewer author(s)

The transport-of-intensity equation (TIE) enables quantitative phase imaging (QPI) under partially coherent illumination by measuring the through-focus intensities combined with a linearized inverse reconstruction algorithm. Howev

Photonics Research
Jul. 01, 2024, Vol. 12 Issue 7 1494 (2024)
Dual-objective two-photon microscope for volumetric imaging of dense scattering biological samples by bidirectional excitation and collection
Muyue Zhai... Jing Yu, Yanhui Hu, Hang Yu, Beichen Xie, Yi Yu, Dawei Li, Aimin Wang and Heping Cheng|Show fewer author(s)

Full view observation throughout entire specimens over a prolonged period is crucial when exploring the physiological functions and system-level behaviors. Multi-photon microscopy (MPM) has been widely employed for such purposes o

Photonics Research
May. 31, 2024, Vol. 12 Issue 6 1351 (2024)
Dynamic 3D holographic projection of vectorial images with a multimode fiber
Jinghan Zhuang... Panpan Yu, Yifan Liu, Yijing Wu, Ziqiang Wang, Yinmei Li and Lei Gong|Show fewer author(s)

An optical multimode fiber (MMF) is capable of delivering structured light modes or complex images with high flexibility. Here, we present a holographic approach to enable the MMF as a 3D holographic projector with the capability

Photonics Research
May. 31, 2024, Vol. 12 Issue 6 1344 (2024)
Grating-free autofocus for single-pixel microscopic imaging
Guan Wang... Huaxia Deng, Yu Cai, Mengchao Ma, Xiang Zhong and Xinglong Gong|Show fewer author(s)

As a computational technology, single-pixel microscopic imaging (SPMI) transfers the target’s spatial information into a temporal dimension. The traditional focusing method of imaging before evaluation is not applicable to the SPM

Photonics Research
On the CoverMay. 31, 2024, Vol. 12 Issue 6 1313 (2024)
Flexible incidence angle scanning surface plasmon resonance microscopy for morphology detection with enhanced contrast
Lingke Wang... Jingyu Mi, Shuqi Wang, Wenrui Li, Ju Tang, Jiawei Zhang, Jiwei Zhang and Jianlin Zhao|Show fewer author(s)

Surface plasmon resonance microscopy (SPRM) has been massively applied for near-field optical measurement, sensing, and imaging because of its high detection sensitivity, nondestructive, noninvasive, wide-field, and label-free ima

Photonics Research
May. 31, 2024, Vol. 12 Issue 6 1213 (2024)
Varifocal occlusion in an optical see-through near-eye display with a single phase-only liquid crystal on silicon
Woongseob Han... Jae-Won Lee, Jung-Yeop Shin, Myeong-Ho Choi, Hak-Rin Kim and Jae-Hyeung Park|Show fewer author(s)

We propose a near-eye display optics system that supports three-dimensional mutual occlusion. By exploiting the polarization-control properties of a phase-only liquid crystal on silicon (LCoS), we achieve real see-through scene ma

Photonics Research
Apr. 01, 2024, Vol. 12 Issue 4 833 (2024)
Aberration correction for deformable-mirror-based remote focusing enables high-accuracy whole-cell super-resolution imaging
Wei Shi... Yingchuan He, Jianlin Wang, Lulu Zhou, Jianwei Chen, Liwei Zhou, Zeyu Xi, Zhen Wang, Ke Fang and Yiming Li|Show fewer author(s)

Single-molecule localization microscopy (SMLM) enables three-dimensional (3D) investigation of nanoscale structures in biological samples, offering unique insights into their organization. However, traditional 3D super-resolution

Photonics Research
Apr. 01, 2024, Vol. 12 Issue 4 821 (2024)
Deep correlated speckles: suppressing correlation fluctuation and optical diffraction
Xiaoyu Nie... Haotian Song, Wenhan Ren, Zhedong Zhang, Tao Peng and Marlan O. Scully|Show fewer author(s)

The generation of speckle patterns via random matrices, statistical definitions, or apertures may not always result in optimal outcomes. Issues such as correlation fluctuations in low ensemble numbers and diffraction in long-dista

Photonics Research
Apr. 01, 2024, Vol. 12 Issue 4 804 (2024)
Faster structured illumination microscopy using complementary encoding-based compressive imaging
Zhengqi Huang... Yunhua Yao, Yilin He, Yu He, Chengzhi Jin, Mengdi Guo, Dalong Qi, Lianzhong Deng, Zhenrong Sun, Zhiyong Wang and Shian Zhang|Show fewer author(s)

Structured illumination microscopy (SIM) has been widely applied to investigate intricate biological dynamics due to its outstanding super-resolution imaging speed. Incorporating compressive sensing into SIM brings the possibility

Photonics Research
Mar. 25, 2024, Vol. 12 Issue 4 740 (2024)
Lensless opto-electronic neural network with quantum dot nonlinear activation
Wanxin Shi... Xi Jiang, Zheng Huang, Xue Li, Yuyang Han, Sigang Yang, Haizheng Zhong and Hongwei Chen|Show fewer author(s)

With the swift advancement of neural networks and their expanding applications in many fields, optical neural networks have gradually become a feasible alternative to electrical neural networks due to their parallelism, high speed

Photonics Research
Mar. 21, 2024, Vol. 12 Issue 4 682 (2024)
Full-polarization angular spectrum modeling of scattered light modulation
Rongjun Shao... Chunxu Ding, Yuan Qu, Linxian Liu, Qiaozhi He, Yuejun Wu and Jiamiao Yang|Show fewer author(s)

The exact physical modeling for scattered light modulation is critical in phototherapy, biomedical imaging, and free-space optical communications. In particular, the angular spectrum modeling of scattered light has attracted consi

Photonics Research
Mar. 01, 2024, Vol. 12 Issue 3 485 (2024)
Deep learning-based optical aberration estimation enables offline digital adaptive optics and super-resolution imaging
Chang Qiao... Haoyu Chen, Run Wang, Tao Jiang, Yuwang Wang and Dong Li|Show fewer author(s)

Optical aberrations degrade the performance of fluorescence microscopy. Conventional adaptive optics (AO) leverages specific devices, such as the Shack–Hartmann wavefront sensor and deformable mirror, to measure and correct optica

Photonics Research
On the CoverMar. 01, 2024, Vol. 12 Issue 3 474 (2024)
Simultaneous dual-region two-photon imaging of biological dynamics spanning over 9 mm in vivo
Chi Liu... Cheng Jin, Junhao Deng, Junhao Liang, Licheng Zhang and Lingjie Kong|Show fewer author(s)

Biodynamical processes, especially in system biology, that occur far apart in space may be highly correlated. To study such biodynamics, simultaneous imaging over a large span at high spatio-temporal resolutions is highly desired.

Photonics Research
Feb. 26, 2024, Vol. 12 Issue 3 456 (2024)
Deep optics preconditioner for modulation-free pyramid wavefront sensing
Felipe Guzmán... Jorge Tapia, Camilo Weinberger, Nicolás Hernández, Jorge Bacca, Benoit Neichel and Esteban Vera|Show fewer author(s)

The pyramid wavefront sensor (PWFS) can provide the sensitivity needed for demanding adaptive optics applications, such as imaging exoplanets using the future extremely large telescopes of over 30 m of diameter (D). However, its e

Photonics Research
Feb. 01, 2024, Vol. 12 Issue 2 301 (2024)
Reflective ultrathin light-sheet microscopy with isotropic 3D resolutions
Yue Wang... Dashan Dong, Wenkai Yang, Renxi He, Ming Lei and Kebin Shi|Show fewer author(s)

Light-sheet fluorescence microscopy (LSFM) has played an important role in bio-imaging due to its advantages of high photon efficiency, fast speed, and long-term imaging capabilities. The perpendicular layout between LSFM excitati

Photonics Research
Spotlight on Optics , Author PresentationFeb. 01, 2024, Vol. 12 Issue 2 271 (2024)
Computational and dark-field ghost imaging with ultraviolet light
Jiaqi Song... Baolei Liu, Yao Wang, Chaohao Chen, Xuchen Shan, Xiaolan Zhong, Ling-An Wu and Fan Wang|Show fewer author(s)

Ultraviolet (UV) imaging enables a diverse array of applications, such as material composition analysis, biological fluorescence imaging, and detecting defects in semiconductor manufacturing. However, scientific-grade UV cameras w

Photonics Research
Jan. 29, 2024, Vol. 12 Issue 2 226 (2024)
Illumination diversity in multiwavelength extreme ultraviolet ptychography
Antonios Pelekanidis... Fengling Zhang, Matthias Gouder, Jacob Seifert, Mengqi Du, Kjeld S. E. Eikema and Stefan Witte|Show fewer author(s)

With the development of high harmonic generation (HHG), lensless extreme-ultraviolet (XUV) imaging at nanoscale resolution has become possible with table-top systems. Specifically, ptychographic phase retrieval using monochromatic

Photonics Research
Nov. 13, 2024, Vol. 12 Issue 12 2757 (2024)
Transport-of-intensity differential phase contrast imaging: defying weak object approximation and matched-illumination condition
Jingfan Wang... Xing Zhao, Yan Wang and Da Li|Show fewer author(s)

Quantitative phase imaging (QPI) has emerged as a promising label-free imaging technique with growing importance in biomedical research, optical metrology, materials science, and other fields. Partially coherent illumination provi

Photonics Research
Nov. 01, 2024, Vol. 12 Issue 11 2712 (2024)
Multifunctional computational fluorescence self-interference holographic microscopy
Wenxue Zhang... Tianlong Man, Minghua Zhang, Hongqiang Zhou, Zenghua Liu and Yuhong Wan|Show fewer author(s)

Fluorescence microscopy is crucial in various fields such as biology, medicine, and life sciences. Fluorescence self-interference holographic microscopy has great potential in bio-imaging owing to its unique wavefront coding chara

Photonics Research
Editors' PickNov. 01, 2024, Vol. 12 Issue 11 2703 (2024)
Predictive pixel-wise optical encoding: towards single-shot high dynamic range moving object recognition
Yutong He... Yu Liang, Honghao Huang, Chengyang Hu, Sigang Yang and Hongwei Chen|Show fewer author(s)

Conventional low dynamic range (LDR) imaging devices fail to preserve much information for further vision tasks because of the saturation effect. Thus, high dynamic range (HDR) imaging is an important imaging technology in extreme

Photonics Research
Oct. 31, 2024, Vol. 12 Issue 11 2524 (2024)
Accurate 3D single-molecule localization via vectorial in situ point spread function retrieval and aberration assessment
Xinxun Yang... Hongfei Zhu, Yile Sun, Hanmeng Wu, Yubing Han, Xiang Hao, Cuifang Kuang and Xu Liu|Show fewer author(s)

Single-molecule localization microscopy (SMLM) gradually plays an important role in deep tissue imaging. However, current SMLM methods primarily rely on fiducial marks, neglecting aberrations introduced by thick samples, thereby r

Photonics Research
Oct. 10, 2024, Vol. 12 Issue 11 2447 (2024)
Polarization-insensitive optical coherence tomography using polarization maintaining fiber with a simple optical configuration
Daewoon Seong... Sangyeob Han, Yoonseok Kim, Mansik Jeon and Jeehyun Kim|Show fewer author(s)

Compensation of polarization-variance-related artifacts is required to steadily obtain high-quality optical coherence tomography (OCT) images at various experimental conditions. Since most OCT systems utilize optical fiber to tran

Photonics Research
Oct. 01, 2024, Vol. 12 Issue 10 2354 (2024)
Computational diffraction-limited imaging with a non-imaging spatial information transfer lens
Yingli Liu... Zhihui Ding, Fengxu Guo, Cheng Guo, Shengnan Jia, Haifeng Li, Rengmao Wu and Xu Liu|Show fewer author(s)

The demand for low-cost, high-performance miniaturized optical imaging systems requires creating a new imaging paradigm. In this paper, we propose an imaging paradigm that achieves diffraction-limited imaging with a non-imaging sp

Photonics Research
Oct. 01, 2024, Vol. 12 Issue 10 2265 (2024)
Enhanced ultrafine multimode fiber imaging based on mode modulation through singular value decomposition
Ning Zhan... Zhenming Yu, Liming Cheng, Jingyue Ma, Jiayu Di, Yueheng Lan and Kun Xu|Show fewer author(s)

The utilization of multimode fibers (MMFs) displays significant potential for advancing the miniaturization of optical endoscopes. However, the imaging quality is constrained by the physical conditions of MMF, which is particularl

Photonics Research
Editors' PickSep. 30, 2024, Vol. 12 Issue 10 2214 (2024)
Single-shot non-line-of-sight imaging based on chromato-axial differential correlography
Lingfeng Liu... Shuo Zhu, Wenjun Zhang, Lianfa Bai, Enlai Guo and Jing Han|Show fewer author(s)

Non-line-of-sight (NLOS) imaging is a challenging task aimed at reconstructing objects outside the direct view of the observer. Nevertheless, traditional NLOS imaging methods typically rely on intricate and costly equipment to sca

Photonics Research
Spotlight on Optics , Author PresentationDec. 21, 2023, Vol. 12 Issue 1 106 (2024)
FreeformNet: fast and automatic generation of multiple-solution freeform imaging systems enabled by deep learning
Boyu Mao... Tong Yang, Huiming Xu, Wenchen Chen, Dewen Cheng and Yongtian Wang|Show fewer author(s)

Using freeform optical surfaces in lens design can lead to much higher system specifications and performance while significantly reducing volume and weight. However, because of the complexity of freeform surfaces, freeform optical

Photonics Research
Aug. 01, 2023, Vol. 11 Issue 8 1408 (2023)
Real-time noise-free inline self-interference incoherent digital holography with temporal geometric phase multiplexing
Kihong Choi... Jae-Won Lee, Jungyeop Shin, Keehoon Hong, Joongki Park and Hak-Rin Kim|Show fewer author(s)

In this paper, we propose a real-time incoherent digital holographic (IDH) recording system free from bias and twin-image noises. A motionless three-step polarization-encoded phase-shifter operating at 99 Hz is realized with two e

Photonics Research
May. 04, 2023, Vol. 11 Issue 6 906 (2023)
Physical origin and boundary of scalable imaging through scattering media: a deep learning-based exploration
Xuyu Zhang... Shengfu Cheng, Jingjing Gao, Yu Gan, Chunyuan Song, Dawei Zhang, Songlin Zhuang, Shensheng Han, Puxiang Lai and Honglin Liu|Show fewer author(s)

Imaging through scattering media is valuable for many areas, such as biomedicine and communication. Recent progress enabled by deep learning (DL) has shown superiority especially in the model generalization. However, there is a la

Photonics Research
Editors' PickMay. 26, 2023, Vol. 11 Issue 6 1038 (2023)
Direct observation of longitudinal aberrated wavefields
J. P. Trevino... V. Coello, A. Jaimes-Nájera, C. E. Garcia-Ortiz, S. Chávez-Cerda and J. E. Gómez-Correa|Show fewer author(s)

Rather than focusing on a focal spot, aberrated wavefields spread out over a region. As a wave phenomenon, optical aberrations are analyzed in terms of waves propagating in the 3D space. In this work, we report the observation of

Photonics Research
May. 26, 2023, Vol. 11 Issue 6 1015 (2023)
Structured illumination-based super-resolution live-cell quantitative FRET imaging
Zewei Luo... Ge Wu, Mengting Kong, Zhi Chen, Zhengfei Zhuang, Junchao Fan and Tongsheng Chen|Show fewer author(s)

Förster resonance energy transfer (FRET) microscopy provides unique insight into the functionality of biological systems via imaging the spatiotemporal interactions and functional state of proteins. Distinguishing FRET signals fro

Photonics Research
May. 01, 2023, Vol. 11 Issue 5 887 (2023)
Systematic study on size and temporal dependence of micro-LED arrays for display applications
Junyang Nie... Zhi Zhang, Kongjie Chen, Yifeng Liu, Shuang He, Zhonghang Huang, Xiaoning Zhang, Jie Sun, Fan Zhang, Yongsheng Wu and Qun Yan|Show fewer author(s)

Micro-LEDs are one of the most promising candidates for next-generation displays, yet they are inconvenienced by the efficiency reduction induced by the sidewall defects when pursuing further scaled-down device dimensions. We have

Photonics Research
Mar. 09, 2023, Vol. 11 Issue 4 549 (2023)
Accurate quantitative phase imaging by differential phase contrast with partially coherent illumination: beyond weak object approximation
Yao Fan... Jiasong Sun, Yefeng Shu, Zeyu Zhang, Qian Chen and Chao Zuo|Show fewer author(s)

Quantitative phase imaging (QPI) by differential phase contrast (DPC) with partially coherent illumination provides speckle-free imaging and lateral resolution beyond the coherent diffraction limit, demonstrating great potential i

Photonics Research
On the CoverMar. 01, 2023, Vol. 11 Issue 3 442 (2023)
Super-resolution computed tomography imaging spectrometry
Lei Yuan... Qiang Song, Hecong Liu, Kevin Heggarty and Weiwei Cai|Show fewer author(s)

Computed tomography imaging spectrometry (CTIS) is a snapshot spectral imaging technique that relies on a limited number of projections of the target data cube (2D spatial and 1D spectral), which can be reconstructed via a delicat

Photonics Research
Jan. 23, 2023, Vol. 11 Issue 2 212 (2023)
Lensless polarimetric coded ptychography for high-resolution, high-throughput gigapixel birefringence imaging on a chip
Liming Yang... Ruihai Wang, Qianhao Zhao, Pengming Song, Shaowei Jiang, Tianbo Wang, Xiaopeng Shao, Chengfei Guo, Rishikesh Pandey and Guoan Zheng|Show fewer author(s)

Polarimetric imaging provides valuable insights into the polarization state of light interacting with a sample. It can infer crucial birefringence properties of specimens without using labels, thereby facilitating the diagnosis of

Photonics Research
Spotlight on Optics , Author PresentationDec. 01, 2023, Vol. 11 Issue 12 2242 (2023)
High-speed adaptive photoacoustic microscopy
Linyang Li... Wei Qin, Tingting Li, Junning Zhang, Baochen Li and Lei Xi|Show fewer author(s)

Optical-resolution photoacoustic microscopy (OR-PAM) is capable of observing the distribution of optical absorbers inside bio-tissues with a high spatial resolution of micrometers. Unfortunately, due to the employment of a tight o

Photonics Research
Nov. 24, 2023, Vol. 11 Issue 12 2084 (2023)
Super-simplified fiber scanner for cellular-resolution endoscopic imaging
Lu He... Xijie Li, Jie Yang, Longjie Jiang, Qian Liu and Ling Fu|Show fewer author(s)

Fiber scanners are portable and miniaturized laser scanning devices used for a wide range of applications, such as endoscopic probes for biomedical imaging. However, in order to achieve different resonant frequencies for 2D actuat

Photonics Research
Nov. 20, 2023, Vol. 11 Issue 12 2020 (2023)
High-fluence relay-based disposable photoacoustic-ultrasonic endoscopy for in vivo anatomical imaging of gastrointestinal tract
Xue Wen... Peng Lei, Shengxin Huang, Xiaoyu Chen, Yanchi Yuan, Di Ke, Rui Liu, Jiaxi Liang, Erqi Wang, Bo Wei, Kedi Xiong and Sihua Yang|Show fewer author(s)

Photoacoustic endomicroscopy combined with ultrasound (PAEM-US) has been a long-standing expectation for gastrointestinal tumor examination. Here, we introduce a prototype disposable PAEM-US catheter and corresponding power interf

Photonics Research
Dec. 16, 2022, Vol. 11 Issue 1 55 (2023)
Self-supervised deep-learning two-photon microscopy
Yuezhi He... Jing Yao, Lina Liu, Yufeng Gao, Jia Yu, Shiwei Ye, Hui Li and Wei Zheng|Show fewer author(s)

Artificial neural networks have shown great proficiency in transforming low-resolution microscopic images into high-resolution images. However, training data remains a challenge, as large-scale open-source databases of microscopic

Photonics Research
Dec. 14, 2022, Vol. 11 Issue 1 1 (2023)
Light-field micro-endoscopy using a fiber bundle: a snapshot 3D epi-fluorescence endoscope
You Zhou... Bo Xiong, Weizhi Song, Xu Zhang, Guoan Zheng, Qionghai Dai and Xun Cao|Show fewer author(s)

Micro-endoscopes are widely used for detecting and visualizing hard-to-reach areas of the human body and for in vivo observation of animals. A micro-endoscope that can realize 3D imaging at the camera framerate could benefit vario

Photonics Research
Editors' PickSep. 01, 2022, Vol. 10 Issue 9 2247 (2022)
2,000,000 fps 2D and 3D imaging of periodic or reproducible scenes with single-pixel detectors
Wenjie Jiang... Yongkai Yin, Junpeng Jiao, Xian Zhao and Baoqing Sun|Show fewer author(s)

Single-pixel imaging (SPI) can capture 2D images of the target with only a nonpixelated detector, showing promising application potential in nonvisible spectral imaging, low-photon imaging, lidar, and other extreme imaging fields.

Photonics Research
On the CoverAug. 26, 2022, Vol. 10 Issue 9 2157 (2022)
Dynamic nitrogen vacancy magnetometry by single-shot optical streaking microscopy
Mark A. Keppler... Zachary A. Steelman, Zachary N. Coker, Miloš Nesládek, Philip R. Hemmer, Vladislav V. Yakovlev and Joel N. Bixler|Show fewer author(s)

Nitrogen vacancy diamonds have emerged as sensitive solid-state magnetic field sensors capable of producing diffraction limited and sub-diffraction field images. Here, for the first time, to our knowledge, we extend those measurem

Photonics Research
Aug. 26, 2022, Vol. 10 Issue 9 2147 (2022)
Imaging ultrafast evolution of subwavelength-sized topography using single-probe structured light microscopy
Jie Xu... Changjun Min, Yuquan Zhang, Jielei Ni, Gengwei Cao, Qianyi Wei, Jianjun Yang and Xiaocong Yuan|Show fewer author(s)

Imaging ultrafast processes in femtosecond (fs) laser–material interactions such as fs laser ablation is very important to understand the physical mechanisms involved. To achieve this goal with high resolutions in both spatial and

Photonics Research
Jul. 27, 2022, Vol. 10 Issue 8 1900 (2022)
Adaptive optics wavefront correction using a damped transpose matrix of the influence function
Boyu Gu, and Yuhua Zhang

To assess the performance of adaptive optics and predict an optimal wavefront correction, we built a wavefront reconstructor with a damped transpose matrix of the influence function. Using an integral control strategy, we tested t

Photonics Research
Jun. 30, 2022, Vol. 10 Issue 7 1777 (2022)
Imaging through scattering media via spatial–temporal encoded pattern illumination
Xingchen Zhao... Xiaoyu Nie, Zhenhuan Yi, Tao Peng and Marlan O. Scully|Show fewer author(s)

Optical imaging through scattering media has long been a challenge. Many approaches have been developed for focusing light or imaging objects through scattering media, but usually, they are either invasive, limited to stationary o

Photonics Research
Jun. 30, 2022, Vol. 10 Issue 7 07001689 (2022)
Synthetic aperture ptychography: coded sensor translation for joint spatial-Fourier bandwidth expansion
Pengming Song... Shaowei Jiang, Tianbo Wang, Chengfei Guo, Ruihai Wang, Terrance Zhang and Guoan Zheng|Show fewer author(s)

Conventional ptychography translates an object through a localized probe beam to widen the field of view in real space. Fourier ptychography translates the object spectrum through a pupil aperture to expand the Fourier bandwidth i

Photonics Research
Editors' PickJun. 21, 2022, Vol. 10 Issue 7 07001624 (2022)
Ultra-wide varifocal imaging with selectable region of interest capacity using Alvarez lenses actuated by a dielectric elastomer
Qun Hao... Chuanxun Chen, Jie Cao, Zhikuo Li and Yang Cheng|Show fewer author(s)

A remarkable feature of Alvarez lenses is that a wide focal length tuning range can be achieved using lateral displacement rather than commonly used axial translation, thus, reducing the overall length of varifocal imaging systems

Photonics Research
Jun. 10, 2022, Vol. 10 Issue 7 07001543 (2022)
Metalens-based stereoscopic microscope
Yong Long... Jianchao Zhang, Zhihao Liu, Weibin Feng, Songming Guo, Qian Sun, Qinfei Wu, Xiangyang Yu, Jianying Zhou, Emiliano R. Martins, Haowen Liang and Juntao Li|Show fewer author(s)

Stereoscopic microscopy is a promising technology to obtain three-dimensional microscopic images. Such microscopes are based on the parallax effect, and as such require two lenses to focus at two different points. Geometrical cons

Photonics Research
May. 26, 2022, Vol. 10 Issue 6 06001501 (2022)
Miniaturized structured illumination microscopy with diffractive optics
Guoxuan Liu... Ning Xu, Huaidong Yang, Qiaofeng Tan and Guofan Jin|Show fewer author(s)

Structured illumination microscopy (SIM) is an advanced microscope system that provides superresolution capability with excellent imaging speed, which has become a practical tool for live-cell imaging. However, the bulky size is b

Photonics Research
Apr. 29, 2022, Vol. 10 Issue 5 05001317 (2022)
Polarization microwave-induced thermoacoustic imaging for quantitative characterization of deep biological tissue microstructures
Yujing Li... Shanxiang Zhang, Linghua Wu, Zhongwen Cheng, Zhenhui Zhang, Haohao Wang, Shuxiang Zhao, Mingyang Ren, Sihua Yang, Da Xing and Huan Qin|Show fewer author(s)

Polarization optical imaging can be used to characterize anisotropy in biological tissue microstructures and has been demonstrated to be a powerful tool for clinical diagnosis. However, the approach is limited by an inability to i

Photonics Research
Apr. 29, 2022, Vol. 10 Issue 5 05001297 (2022)
Improving signal-to-background ratio by orders of magnitude in high-speed volumetric imaging in vivo by robust Fourier light field microscopy
Jiazhen Zhai... Ruheng Shi and Lingjie Kong|Show fewer author(s)

Fourier light field microscopy (FLFM) shows great potential in high-speed volumetric imaging of biodynamics. However, due to the inherent disadvantage of wide-field illumination, it suffers from intense background, arising from ou

Photonics Research
Apr. 21, 2022, Vol. 10 Issue 5 05001255 (2022)
Axial gradient excitation accelerates volumetric imaging of two-photon microscopy
Yufeng Gao... Xianyuan Xia, Lina Liu, Ting Wu, Tingai Chen, Jia Yu, Zhili Xu, Liang Wang, Fei Yan, Zhuo Du, Jun Chu, Yang Zhan, Bo Peng, Hui Li and Wei Zheng|Show fewer author(s)

Two-photon excitation fluorescence microscopy (TPM), owing to its capacity for subcellular resolution, intrinsic optical sectioning, and superior penetration depth in turbid samples, has revolutionized biomedical research. However

Photonics Research
Feb. 22, 2022, Vol. 10 Issue 3 03000687 (2022)
Near-infrared 3D imaging with upconversion detection
He Zhang... Santosh Kumar, Yong Meng Sua, Shenyu Zhu and Yu-Ping Huang|Show fewer author(s)

We demonstrate a photon-sensitive, three-dimensional (3D) camera by active near-infrared illumination and fast time-of-flight gating. It uses picosecond pump pulses to selectively upconvert the backscattered photons according to t

Photonics Research
Nov. 22, 2022, Vol. 10 Issue 12 2760 (2022)
Theoretical and practical guide for an axial superresolved focus via Gouy phase steering
Xiaowei Liu... Xiaolan Xia, Zhuofan Yao, Tianyue Zhang, Meiling Jiang, Qing Yang, Xiangping Li and Yaoyu Cao|Show fewer author(s)

Achieving an axial superresolved focus with a single lens by simply inserting a modulation mask in the pupil plane is preferred due to its compact configuration and general applicability. However, lack of a universal theoretical m

Photonics Research
Oct. 17, 2022, Vol. 10 Issue 11 2502 (2022)
Lock-in incoherent differential phase contrast imaging
Chiara Bonati... Damien Loterie, Timothé Laforest and Christophe Moser|Show fewer author(s)

We introduce a lock-in method to increase the phase contrast in incoherent differential phase contrast (DPC) imaging. This method improves the phase sensitivity by the analog removal of the background. The use of a smart pixel det

Photonics Research
Dec. 22, 2021, Vol. 10 Issue 1 01000237 (2022)
Quantum dots assisted in vivo two-photon microscopy with NIR-II emission
Huwei Ni... Yalun Wang, Tao Tang, Wenbin Yu, Dongyu Li, Mubin He, Runze Chen, Mingxi Zhang and Jun Qian|Show fewer author(s)

With the advantages of high resolution and deep penetration depth, two-photon excited NIR-II (900–1880 nm) fluorescence (2PF) microscopic bioimaging is promising. However, due to the lack of imaging systems and suitable probes, fe

Photonics Research
Dec. 21, 2021, Vol. 10 Issue 1 01000189 (2022)
Slide-free histological imaging by microscopy with ultraviolet surface excitation using speckle illumination
Ivy H. M. Wong... Yan Zhang, Zhenghui Chen, Lei Kang and Terence T. W. Wong|Show fewer author(s)

Microscopy with ultraviolet surface excitation (MUSE) is a promising slide-free imaging technique to improve the time-consuming histopathology workflow. However, since the penetration depth of the excitation light is tissue depend

Photonics Research
Dec. 16, 2021, Vol. 10 Issue 1 01000120 (2022)
Single-pixel imaging using physics enhanced deep learning
Fei Wang... Chenglong Wang, Chenjin Deng, Shensheng Han and Guohai Situ|Show fewer author(s)

Single-pixel imaging (SPI) is a typical computational imaging modality that allows two- and three-dimensional image reconstruction from a one-dimensional bucket signal acquired under structured illumination. It is in particular of

Photonics Research
Dec. 13, 2021, Vol. 10 Issue 1 01000104 (2022)
Freeform OST-HMD system with large exit pupil diameter and vision correction capability
Dewen Cheng... Jiaxi Duan, Hailong Chen, He Wang, Danyang Li, Qiwei Wang, Qichao Hou, Tong Yang, Weihong Hou, Donghua Wang, Xiaoyu Chi, Bin Jiang and Yongtian Wang|Show fewer author(s)

Compactness and light weight, large exit pupil diameter and distance, small distortion for virtual image, and see-through light paths are pivotal factors to achieve a better, wearable experience of optical see-through head-mounted

Photonics Research
Dec. 09, 2021, Vol. 10 Issue 1 01000021 (2022)
500 μm field-of-view probe-based confocal microendoscope for large-area visualization in the gastrointestinal tract
Hua Li... Zhengyi Hao, Jiangfeng Huang, Tingting Lu, Qian Liu and Ling Fu|Show fewer author(s)

Rapid large-area tissue imaging at the cellular resolution is important for clinical diagnosis. We present a probe-based confocal microendoscope (pCM) with a field-of-view (FOV) diameter over 500 μm, lateral resolution of 1.95 μm,

Photonics Research
Aug. 26, 2021, Vol. 9 Issue 9 09001829 (2021)
Spectrum-shaped Si-perovskite hybrid photodetectors for hyperspectral bioimaging
Yujin Liu... Zhong Ji, Yaping Li, Hong Jin Fan and Wenjie Mai|Show fewer author(s)

Hyperspectral imaging (HSI) with rich spectral and spatial information holds potential for applications ranging from remote sensing to biomedicine. However, charge-coupled device (CCD) detectors used in conventional HSI systems su

Photonics Research
Aug. 19, 2021, Vol. 9 Issue 9 09001734 (2021)
Flexible, video-rate, and aberration-compensated axial dual-line scanning imaging with field-of-view jointing and stepped remote focusing
Rui Jin... Yalan Yu, Dan Shen, Qingming Luo, Hui Gong and Jing Yuan|Show fewer author(s)

Parallel dual-plane imaging with a large axial interval enables the simultaneous observation of biological structures and activities in different views of interest. However, the inflexibility in adjusting the field-of-view (FOV) p

Photonics Research
Jul. 15, 2021, Vol. 9 Issue 8 08001477 (2021)
Focus-tunable microscope for imaging small neuronal processes in freely moving animals
Arutyun Bagramyan... Loïc Tabourin, Ali Rastqar, Narges Karimi, Frédéric Bretzner and Tigran Galstian|Show fewer author(s)

Miniature single-photon microscopes have been widely used to image neuronal assemblies in the brain of freely moving animals over the last decade. However, these systems have important limitations for imaging in-depth fine neurona

Photonics Research
Jun. 28, 2021, Vol. 9 Issue 7 07001300 (2021)
High-resolution two-photon transcranial imaging of brain using direct wavefront sensing
Congping Chen... Zhongya Qin, Sicong He, Shaojun Liu, Shun-Fat Lau, Wanjie Wu, Dan Zhu, Nancy Y. Ip and Jianan Y. Qu|Show fewer author(s)

Imaging of the brain in its native state at high spatial resolution poses major challenges to visualization techniques. Two-photon microscopy integrated with the thinned-skull or optical clearing skull technique provides a minimal

Photonics Research
Jun. 01, 2021, Vol. 9 Issue 6 06001144 (2021)
Non-iterative complex wave-field reconstruction based on Kramers–Kronig relations
Cheng Shen... Mingshu Liang, An Pan and Changhuei Yang|Show fewer author(s)

A non-iterative and non-interferometric computational imaging method to reconstruct a complex wave field called synthetic aperture imaging based on Kramers–Kronig relations (KKSAI) is reported. By collecting images through a modif

Photonics Research
May. 24, 2021, Vol. 9 Issue 6 06001003 (2021)
Single-sweep volumetric optoacoustic tomography of whole mice
Sandeep Kumar Kalva... Xose Luis Dean-Ben and Daniel Razansky|Show fewer author(s)

Applicability of optoacoustic imaging in biology and medicine is determined by several key performance characteristics. In particular, an inherent trade-off exists between the acquired field-of-view (FOV) and temporal resolution o

Photonics Research
May. 04, 2021, Vol. 9 Issue 6 06000899 (2021)
FourierCam: a camera for video spectrum acquisition in a single shot
Chengyang Hu... Honghao Huang, Minghua Chen, Sigang Yang and Hongwei Chen|Show fewer author(s)

The novel camera architecture facilitates the development of machine vision. Instead of capturing frame sequences in the temporal domain as traditional video cameras, FourierCam directly measures the pixel-wise temporal spectrum o

Photonics Research
Apr. 21, 2021, Vol. 9 Issue 5 05000701 (2021)
Optical Vernier sampling using a dual-comb-swept laser to solve distance aliasing
Seongjin Bak... Gyeong Hun Kim, Hansol Jang and Chang-Seok Kim|Show fewer author(s)

Optical interferometry using comb-swept lasers has the advantage of efficiently reducing the acquisition bandwidth for high-speed and long-range detection. However, in general, the use of a comb-swept laser involves a critical lim

Photonics Research
Apr. 15, 2021, Vol. 9 Issue 5 05000657 (2021)
Meta-objective with sub-micrometer resolution for microendoscopes
Yan Liu... Qing-Yun Yu, Ze-Ming Chen, Hao-Yang Qiu, Rui Chen, Shao-Ji Jiang, Xin-Tao He, Fu-Li Zhao and Jian-Wen Dong|Show fewer author(s)

Microendoscopes are vital for disease detection and clinical diagnosis. The essential issue for microendoscopes is to achieve minimally invasive and high-resolution observations of soft tissue structures inside deep body cavities.

Photonics Research
Jan. 14, 2021, Vol. 9 Issue 2 02000106 (2021)
Single-shot real-time compressed ultrahigh-speed imaging enabled by a snapshot-to-video autoencoder
Xianglei Liu... João Monteiro, Isabela Albuquerque, Yingming Lai, Cheng Jiang, Shian Zhang, Tiago H. Falk and Jinyang Liang|Show fewer author(s)

Single-shot 2D optical imaging of transient scenes is indispensable for numerous areas of study. Among existing techniques, compressed optical-streaking ultrahigh-speed photography (COSUP) uses a cost-efficient design to endow ult

Photonics Research
Nov. 16, 2021, Vol. 9 Issue 12 12002464 (2021)
Fluorescent nanodiamonds for characterization of nonlinear microscopy systems
Mantas Žurauskas... Aneesh Alex, Jaena Park, Steve R. Hood and Stephen A. Boppart|Show fewer author(s)

Characterizing the performance of fluorescence microscopy and nonlinear imaging systems is an essential step required for imaging system optimization and quality control during longitudinal experiments. Emerging multimodal nonline

Photonics Research
Nov. 03, 2021, Vol. 9 Issue 12 12002309 (2021)
Ten-mega-pixel snapshot compressive imaging with a hybrid coded aperture
Zhihong Zhang... Chao Deng, Yang Liu, Xin Yuan, Jinli Suo and Qionghai Dai|Show fewer author(s)

High-resolution images are widely used in our everyday life; however, high-speed video capture is more challenging due to the low frame rate of cameras working at the high-resolution mode. The main bottleneck lies in the low throu

Photonics Research
Oct. 26, 2021, Vol. 9 Issue 11 11002277 (2021)
Quantized Fourier ptychography with binary images from SPAD cameras
Xi Yang... Pavan Chandra Konda, Shiqi Xu, Liheng Bian and Roarke Horstmeyer|Show fewer author(s)

Recently developed single-photon avalanche diode (SPAD) array cameras provide single-photon sensitivity and picosecond-scale time gating for time-of-flight measurements, with applications in LIDAR and fluorescence lifetime imaging

Photonics Research
Sep. 15, 2021, Vol. 9 Issue 10 10001958 (2021)
Single-shot 3D tracking based on polarization multiplexed Fourier-phase camera
Jiajie Teng... Chengyang Hu, Honghao Huang, Minghua Chen, Sigang Yang and Hongwei Chen|Show fewer author(s)

For moving objects, 3D mapping and tracking has found important applications in the 3D reconstruction for vision odometry or simultaneous localization and mapping. This paper presents a novel camera architecture to locate the fast

Photonics Research
Sep. 13, 2021, Vol. 9 Issue 10 10001924 (2021)
High resolution imaging with anomalous saturated excitation
Bo Du... Xiang-Dong Chen, Ze-Hao Wang, Shao-Chun Zhang, En-Hui Wang, Guang-Can Guo and Fang-Wen Sun|Show fewer author(s)

The nonlinear fluorescence emission has been widely applied for high spatial resolution optical imaging. Here, we studied the fluorescence anomalous saturating effect of the nitrogen vacancy defect in diamond. The fluorescence red

Photonics Research
Dec. 18, 2020, Vol. 9 Issue 1 01000021 (2021)
Fast structured illumination microscopy via deep learning
Chang Ling... Chonglei Zhang, Mingqun Wang, Fanfei Meng, Luping Du and Xiaocong Yuan|Show fewer author(s)

This study shows that convolutional neural networks (CNNs) can be used to improve the performance of structured illumination microscopy to enable it to reconstruct a super-resolution image using three instead of nine raw frames, w

Photonics Research
Jul. 21, 2020, Vol. 8 Issue 8 08001350 (2020)
Portable quantitative phase microscope for material metrology and biological imaging
Mengxuan Niu... Gang Luo, Xin Shu, Fuyang Qu, Shuang Zhou, Yi-Ping Ho, Ni Zhao and Renjie Zhou|Show fewer author(s)

Quantitative phase microscopy (QPM) has emerged as an important tool for material metrology and biological imaging. For broader adoption in those applications, we have proposed and demonstrated a new portable off-axis QPM method,

Photonics Research
Jul. 01, 2020, Vol. 8 Issue 7 07001253 (2020)
Great enhancement of image details with high fidelity in a scintillator imager using an optical coding method
Huijuan Xia... Yanqing Wu, Lei Zhang, Yuanhe Sun, Zhongyang Wang and Renzhong Tai|Show fewer author(s)

High-resolution lens-coupled indirect X-ray scintillator imagers are required by many imaging applications. However, the severe weakening of image details prevents its further performance improvement. Through our research, this im

Photonics Research
Jun. 03, 2020, Vol. 8 Issue 7 07001079 (2020)
Computational 4D imaging of light-in-flight with relativistic effects
Yue Zheng... Ming-Jie Sun, Zhi-Guang Wang and Daniele Faccio|Show fewer author(s)

Light-in-flight imaging enables the visualization and characterization of light propagation, which provides essential information for the study of the fundamental phenomena of light. A camera images an object by sensing the light

Photonics Research
Jun. 03, 2020, Vol. 8 Issue 7 07001072 (2020)
Cross-cumulant enhanced radiality nanoscopy for multicolor superresolution subcellular imaging
Zhiping Zeng... Jing Ma and Canhua Xu|Show fewer author(s)

Fluorescence fluctuation-based superresolution techniques can achieve fast superresolution imaging on a cost-effective wide-field platform at a low light level with reduced phototoxicity. However, the current methods exhibit certa

Photonics Research
May. 26, 2020, Vol. 8 Issue 6 06000893 (2020)
Super-resolution compressive spectral imaging via two-tone adaptive coding
Chang Xu... Tingfa Xu, Ge Yan, Xu Ma, Yuhan Zhang, Xi Wang, Feng Zhao and Gonzalo R. Arce|Show fewer author(s)

Coded apertures with random patterns are extensively used in compressive spectral imagers to sample the incident scene in the image plane. Random samplings, however, are inadequate to capture the structural characteristics of the

Photonics Research
Feb. 28, 2020, Vol. 8 Issue 3 03000395 (2020)
First-photon imaging via a hybrid penalty
Xiao Peng... Xin-Yu Zhao, Li-Jing Li and Ming-Jie Sun|Show fewer author(s)

First-photon imaging is a photon-efficient, computational imaging technique that reconstructs an image by recording only the first-photon arrival event at each spatial location and then optimizing the recorded photon information.

Photonics Research
Feb. 17, 2020, Vol. 8 Issue 3 03000325 (2020)
Subwavelength imaging and detection using adjustable and movable droplet microlenses
Xixi Chen... Tianli Wu, Zhiyong Gong, Yuchao Li, Yao Zhang and Baojun Li|Show fewer author(s)

We developed adjustable and movable droplet microlenses consisting of a liquid with a high refractive index. The microlenses were prepared via ultrasonic shaking in deionized water, and the diameter of the microlenses ranged from

Photonics Research
Feb. 05, 2020, Vol. 8 Issue 3 03000225 (2020)
Confocal visible/NIR photoacoustic microscopy of tumors with structural, functional, and nanoprobe contrasts
Jiangbo Chen... Yachao Zhang, Xiaozhen Li, Jingyi Zhu, Dengfeng Li, Shengliang Li, Chun-Sing Lee and Lidai Wang|Show fewer author(s)

Distinguishing early-stage tumors from normal tissues is of great importance in cancer diagnosis. We report fiber-based confocal visible/near-infrared (NIR) optical-resolution photoacoustic microscopy that can image tumor microvas

Photonics Research
Nov. 19, 2020, Vol. 8 Issue 12 12001875 (2020)
Resolution-enhanced intensity diffraction tomography in high numerical aperture label-free microscopy
Jiaji Li... Alex Matlock, Yunzhe Li, Qian Chen, Lei Tian and Chao Zuo|Show fewer author(s)

We propose label-free and motion-free resolution-enhanced intensity diffraction tomography (reIDT) recovering the 3D complex refractive index distribution of an object. By combining an annular illumination strategy with a high num

Photonics Research
Nov. 12, 2020, Vol. 8 Issue 12 12001818 (2020)
High-speed dual-view band-limited illumination profilometry using temporally interlaced acquisition
Cheng Jiang... Patrick Kilcullen, Yingming Lai, Tsuneyuki Ozaki and Jinyang Liang|Show fewer author(s)

We report dual-view band-limited illumination profilometry (BLIP) with temporally interlaced acquisition (TIA) for high-speed, three-dimensional (3D) imaging. Band-limited illumination based on a digital micromirror device enables

Photonics Research
Oct. 30, 2020, Vol. 8 Issue 11 11001808 (2020)
Design and analysis of extended depth of focus metalenses for achromatic computational imaging
Luocheng Huang... James Whitehead, Shane Colburn and Arka Majumdar|Show fewer author(s)

Metasurface optics have demonstrated vast potential for implementing traditional optical components in an ultracompact and lightweight form factor. Metasurfaces, however, suffer from severe chromatic aberrations, posing serious li

Photonics Research
Sep. 25, 2020, Vol. 8 Issue 10 10001613 (2020)
Simultaneous dual-contrast three-dimensional imaging in live cells via optical diffraction tomography and fluorescence
Chen Liu... Michael Malek, Ivan Poon, Lanzhou Jiang, Arif M. Siddiquee, Colin J. R. Sheppard, Ann Roberts, Harry Quiney, Douguo Zhang, Xiaocong Yuan, Jiao Lin, Christian Depeursinge, Pierre Marquet and Shan Shan Kou|Show fewer author(s)

We report a dual-contrast method of simultaneously measuring and visualizing the volumetric structural information in live biological samples in three-dimensional (3D) space. By introducing a direct way of deriving the 3D scatteri

Photonics Research
Aug. 14, 2019, Vol. 7 Issue 9 09001042 (2019)
Optimal illumination scheme for isotropic quantitative differential phase contrast microscopy
Yao Fan... Jiasong Sun, Qian Chen, Xiangpeng Pan, Lei Tian and Chao Zuo|Show fewer author(s)

Differential phase contrast microscopy (DPC) provides high-resolution quantitative phase distribution of thin transparent samples under multi-axis asymmetric illuminations. Typically, illumination in DPC microscopic systems is des

Photonics Research
Jul. 26, 2019, Vol. 7 Issue 8 08000890 (2019)
Optofluidics in bio-imaging applications
Sihui Chen... Rui Hao, Yi Zhang and Hui Yang|Show fewer author(s)

Bio-imaging generally indicates imaging techniques that acquire biological information from living forms. Recently, the ability to detect, diagnose, and monitor pathological, physiological, and molecular dynamics is in great deman

Photonics Research
Apr. 17, 2019, Vol. 7 Issue 5 05000532 (2019)
Frequency-multiplexing photon-counting multi-beam LiDAR
Tianxiang Zheng... Guangyue Shen, Zhaohui Li, Lei Yang, Haiyan Zhang, E Wu and Guang Wu|Show fewer author(s)

We report a frequency-multiplexing method for multi-beam photon-counting light detection and ranging (LiDAR), where only one single-pixel single-photon detector is employed to simultaneously detect the multi-beam echoes. In this f

Photonics Research
Nov. 11, 2019, Vol. 7 Issue 12 12001381 (2019)
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