Chinese Optics Letters
Co-Editors-in-Chief
Zhizhan Xu
2007
Volume: 5 Issue 6
19 Article(s)
Dehua Wang

Using Gutzwiller's periodic orbit theory, we study the quantum level density of a spherical billiard in the presence of a magnetic flux line added at its center, especially discuss the influence of the magnetic flux strength on th

Jun. 30, 2007
  • Vol. 5 Issue 6 311 (2007)
  • Li Li... Xianghe Kong and Shudong Zhang|Show fewer author(s)

    The mechanisms of multiphoton ionization (MPI) and dissociation of CH3I have been studied using time-of-flight (TOF) mass spectrometer at 266 and 355 nm. MPI mass spectrum at 266 nm consists mostly of fragment ions. This is consis

    Jun. 30, 2007
  • Vol. 5 Issue 6 315 (2007)
  • Xuehua Ye... Yaoju Zhang and Junfeng Chen|Show fewer author(s)

    In solid immersion lens (SIL) microscopy systems with high numerical aperture (NA), there always exists the aberration produced by Fresnel effects at the interface between SIL and the sample. This aberration may cause the degradat

    Jun. 30, 2007
  • Vol. 5 Issue 6 318 (2007)
  • Fangpei Zhang... Qihong Lou, Jun Zhou, Hongming Zhao, Jingxing Dong, Yunrong Wei, Bing He, Jinyan Li, Weibiao Chen, Jianqiang Zhu and Zhijiang Wang|Show fewer author(s)

    A narrow-linewidth master-oscillator fiber power amplifier system was presented, in which an ultrastable, continuous-wave, single-frequency laser was adopted as the master oscillator and a China-made Yb-doped large-mode-area fiber

    Jun. 30, 2007
  • Vol. 5 Issue 6 322 (2007)
  • Jiuru Yang... Gang Wang and Shilou Jia|Show fewer author(s)

    An improved adaptive-threshold burst assembly algorithm is proposed to alleviate the limitation of conventional assembly schemes on data loss and delay. The algorithm will adjust the values of assembly factors according to variant

    Jun. 30, 2007
  • Vol. 5 Issue 6 325 (2007)
  • Peiquan Xu... Xinhua Tang, Ri Na and Shun Yao|Show fewer author(s)

    A novel visual robotic arc welding system based on circular laser vision sensor is developed. After image de-noising, image segmentation, and image thinning, the relation of depth value of workpiece and off-axis angle 'gamma', thr

    Jun. 30, 2007
  • Vol. 5 Issue 6 328 (2007)
  • Leida Li... Baolong Guo and Kai Shao|Show fewer author(s)

    In order to resist geometric attacks, a robust image watermarking algorithm is proposed using scale-invariant feature transform (SIFT) and Zernike moments. As SIFT features are invariant to rotation and scaling, we employ SIFT to

    Jun. 30, 2007
  • Vol. 5 Issue 6 332 (2007)
  • Anhong Wang... Yao Zhao, Zhenfeng Zhu and Hao Wang|Show fewer author(s)

    Nowadays, distributed source coding (DSC) and distributed video coding (DVC) have been receiving more and more attention due to the distinct contributions to the easy encoding. At the same time, with more new requirements coming f

    Jun. 30, 2007
  • Vol. 5 Issue 6 336 (2007)
  • Hui Li... Xiong Wan, Taoli Liu, Zhongshou Liu and Yanhua Zhu|Show fewer author(s)

    Although emission spectral tomography (EST) combines emission spectral measurement with optical computed tomography (OCT), it is difficult to gain transient emission data from a large number of views, therefore, high precision OCT

    Jun. 30, 2007
  • Vol. 5 Issue 6 340 (2007)
  • Zhiping Zhang... Zhaogu Cheng, Zhaoyu Qin and Jianqiang Zhu|Show fewer author(s)

    A micro-Gal absolute gravimeter based on high-precision and high-stability heterodyne interferometer is presented. The distance measuring technology of the gravimeter is studied in detail. The experimental results of distance meas

    Jun. 30, 2007
  • Vol. 5 Issue 6 344 (2007)
  • Kang Li... Yishan Wang, Wei Zhao, Guofu Chen, Qinjun Peng, Dafu Cui and Zuyan Xu|Show fewer author(s)

    A strongly pumped Yb-doped large-mode-area photonic crystal fiber (LMA-PCF) laser is analyzed. The lasing characteristics of an improved Fabry-Perot (F-P) cavity fiber laser using LMA-PCF are studied theoretically based on a rate

    Jun. 30, 2007
  • Vol. 5 Issue 6 347 (2007)
  • [in Chinese]... [in Chinese] and [in Chinese]|Show fewer author(s)

    A high efficient diode-pumped Tm:GdVO4 microchip laser is demonstrated. Output power of 310 mW at 1917 nm with slope efficiency of 22% is produced when pumped by 2 W of power at 802 nm. Unpolarized fluorescence spectra near 1800 n

    Jun. 30, 2007
  • Vol. 5 Issue 6 351 (2007)
  • Yanfei Lu... Xihe Zhang and Zhihai Yao|Show fewer author(s)

    A new resonator design for doubly resonant continuous-wave (CW) intracavity sum-frequency mixing (SFM) is reported. 1.12 W of coherent radiation at 588 nm is generated by mixing 1062-nm Nd:GdVO4 laser and 1319-nm Nd:YAG laser. The

    Jun. 30, 2007
  • Vol. 5 Issue 6 353 (2007)
  • Fenggang Zhao... Guonian Wang and Lili Hu|Show fewer author(s)

    Edge-cladding is a key factor in improving saturated small signal gain coefficient 'beta's of large laser disc glass. In this paper, the glasses were melted with traditional method. The influences of mixed alkali effect (MAE) on r

    Jun. 30, 2007
  • Vol. 5 Issue 6 355 (2007)
  • Qi Wang

    Top-illuminated metamorphic In0.53Ga0.47As p-i-n photodetectors are grown on the ultrathin low-temperature InP buffered GaAs substrates. Photodetectors with the 300-nm-thick In0.53Ga0.47As absorption layer show a typical responsiv

    Jun. 30, 2007
  • Vol. 5 Issue 6 358 (2007)
  • Tao Geng... Tingyu Liu and Songlin Zhuang|Show fewer author(s)

    We theoretically studied a left-hand structure based on a two-dimensional (2D) photonic crystal (PC) with a negative refractive index. The propagation of electromagnetic waves in the proposed PC structure is investigated through d

    Jun. 30, 2007
  • Vol. 5 Issue 6 361 (2007)
  • Meifeng Chen... Songshe Ma and Xiaolan Zhang|Show fewer author(s)

    A scheme is reported for generating a multi-atom cluster state in thermal cavities, which is based on the simultaneous interaction of two two-level atoms with a single-mode cavity field driven by a classical field. The photon-numb

    Jun. 30, 2007
  • Vol. 5 Issue 6 364 (2007)
  • Binbin He

    A simple data assimilation method for improving estimation of moderate resolution imaging spectroradiometer (MODIS) leaf area index (LAI) time-series data products based on the gradient inverse weighted filter and object analysis

    Jun. 30, 2007
  • Vol. 5 Issue 6 367 (2007)
  • Danhua Lou... Fengjiu Sun and Lijuan Li|Show fewer author(s)

    The factor group symmetry analysis (FSA) method and position symmetry analysis (PSA) method are used to analyze the vibrational modes of calcite (CaCO3) crystal, respectively. With the activated results of infrared and Raman spect

    Jun. 30, 2007
  • Vol. 5 Issue 6 370 (2007)
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