Significance The miniaturization of medical devices is of critical importance. Micro-guidewires and catheters can access the small and narrow natural cavities of the human body, enabling micro-manipulation, imaging, detection, sam

ObjectiveGlass-ceramic is a kind of optical hard and brittle material with broad application prospects in aerospace, medical treatment, electronics and other fields. Glass-ceramic is required to process the free-form surface on th

ObjectiveUltrafast laser with high power and high energy is widely used in industry and scientific research. The femtosecond laser power output of the mode-locked oscillator stage is usually low, and it is difficult to meet the ap

Significance Reconfigurable metasurfaces composed of subwavelength structural units can dynamically adjust the propagation characteristics of light waves, such as phase, amplitude and polarization. They exhibit significant applica

ObjectiveThermal offset in Enhanced Reference System (ERS) points under non-uniform temperature fields is one of the primary factors causing reduced coordinate registration accuracy between the tooling measurement coordinate syste

Significance Multispectral imaging technology has made significant progress in photodetection due to its high-dimensional information. This progress is driven by two factors: innovations in multispectral technology combined with t

Significance Terahertz (THz) waves, situated between microwaves and infrared radiation, own strong penetration capabilities, low photon energy, and high biological safety, demonstrating significant application potential in fields

Significance Although current artificial intelligence (AI) systems, especially deep learning models, have made significant progress in multiple fields, they still face problems such as high energy consumption, low interpretability

Significance Optical parametric amplification (OPA) is recognized as a crucial technique for mitigating signal attenuation in both fiber and free-space optical communication systems. Conventional optical amplifiers are mostly phas

ObjectiveCommon human fundus diseases, such as Age-Related Macular Degeneration (AMD), Diabetes Retinopathy (DR), Retinitis Pigmentosa (RP), etc., affect 60 million people worldwide. They are the main blindness cause of human. The

ObjectiveWhen high-speed tandem layout vehicle reaches predetermined separation point, payloads needs to separate from the booster, in order to separate successfully, it is feasible to apply jet thruster on the booster to provide

ObjectiveAccording to the Stefan-Boltzmann’s law, infrared (IR) stealth can be realized by reducing both the surface temperature and the surface IR emissivity. In the practical applications of IR stealth coatings, in order to redu

ObjectiveNarrow linewidth, fundamental transverse mode semiconductor laser devices are ideal optical sources for laser communication applications. To achieve a narrow linewidth and fundamental transverse mode output from semicondu

In order to solve the problem of low stability of quantum cascade laser (QCL) in low-concentration laughing gas (N2O) detection, and further reduce the detection limit of concentration, this paper proposes an analytical method bas

ObjectiveTunable quantum cascade lasers have important application prospects in the field of free-space optical communication and spectral detection. However, in view of the cumbersome buried grating secondary epitaxial process, p

ObjectiveThe 920-nm femtosecond fiber laser is promising in the fields such as biological imaging, nonlinear optics and spectroscopy. With the development of optical fiber technology, the methods for generating 920-nm femtosecond

ObjectiveGlass microlens arrays, with calibration, focusing, diffusion illumination or imaging functions, are widely used in LED, OLED optics and artificial compound eyes. Hot embossing technology is a promising way for achieving

ObjectiveLidar systems based on metasurfaces are currently popular research topics. The development of lidar systems relying on traditional optical components has encountered a bottleneck, and the stacked optical component structu

ObjectiveThe laser scanner acquires surface information of a target by integrating laser ranging with the deflection angles of scanning components, making it suitable for applications such as topographic mapping and surface inspec

ObjectiveDue to the high rotational speed, aluminium alloy mirrors are centrifugally deformed during single-point diamond turning (SPDT) machining, resulting in mirror surfaces not meeting the stringent accuracy specifications req

ObjectiveThe airborne optical lens has strong mobility and can replace ground personnel to carry out observation tasks in various harsh environments, and plays an increasingly important role in the military and civilian fields. Tr

ObjectiveSpatial heterodyne spectroscopy is a novel Fourier transform interferometric spectroscopy technique that achieves high spectral resolution within a specific wavelength range. It has been widely used in fields like atmosph

ObjectiveThe primary objective of our research is to improve the transfer of visible images to infrared images, addressing the limitations of traditional CycleGAN models which often result in detail loss and artifacts. This advanc

ObjectiveShip detection technology plays a crucial role in fields such as security, military operations, and maritime traffic management. Infrared imaging has become an essential tool for ship detection due to its unique advantage

ObjectiveThe tracking of infrared small targets is one of the hot topics in infrared engineering, and it has wide applications in both civilian and military applications. However, due to the weak target, strong background, and dyn

Significance In recent years, China has completed the development of many remote sensing models, and the maximum aperture of remote sensing cameras in orbit has exceeded 1 meter, the manufacturing level of remote sensing cameras w

ObjectiveZnS is an important infrared material, and ZnS thin films with thicknesses ranging from several nanometers to hundreds of nanometers are often used in broadband infrared anti-reflection film systems. The change in thickne

ObjectiveThe use of ADRC to control optoelectronic stabilization platforms has been widely used due to its strong resistance to external disturbances, good robustness, and no need for accurate disturbance modeling. Nonlinear ADRC

ObjectiveThe grating is the core component of the grating interferometer, serving as the reference for displacement measurements. The accuracy of the grating period is a crucial factor influencing the measurement precision of the

ObjectiveMicro-displacement measurement techniques are designed to detect and quantify tiny movements, typically in the range of micrometers to millimeters. This technology plays a vital role in many fields such as precision engin