Showing 1,581 - 1,600 results of 4,366 for search '"optics"', query time: 0.06s Refine Results
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    A High-Precision Dynamic Six Degree-of-Freedom Pose Measurement of the Subreflectors of Large Antennas Based on a Position Sensitive Detector and Laser Array by Shangmin Lin, Wei Wang, Hu Wang, Yang Song, Yue Pan, Jiang Qiao, Yaoke Xue, Qinfang Chen, Meiying Liu, Yang Shen, Jie Liu, Yang Liu, Yongjie Xie, Canglong Zhou

    Published 2022-01-01
    “…In this paper, a method based on a position sensitive detector (PSD) and laser array without an optical system is proposed to measure the six degree-of-freedom (DOF) poses of the subreflector. …”
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    Research and Application of Interferogram Acquisition Method for Ground-Based Fourier-Transform Infrared Greenhouse Gas Spectrometer by Yasong Deng, Liang Xu, Ling Jin, Yongfeng Sun, Lei Zhang, Jianguo Liu, Wenqing Liu

    Published 2025-01-01
    “…Dual-channel analog-to-digital converters, acquiring interferograms at different gains, enable high dynamic range and high-resolution acquisition of infrared interferometric signals; the analog-to-digital converter channel of low-gain interferograms mainly captures data near the zero-optical-range-difference spike, and the analog-to-digital converter channel of high-gain interferograms mainly acquires the weak signals from the two flanks. …”
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  9. 1589

    Reduction of absorption of Ta2O5 monolayers through the suppression of structural defects by employing an appropriate ionic oxygen concentration by Lin Wang, Weili Zhang, Ruijin Hong, Kun Wang, Menglei Wang, Qinmin Wang, Kui Yi, Jianda Shao

    Published 2025-02-01
    “…In this study, Ta2O5 monolayers were deposited using an ion-assisted electron beam evaporation technique, and the weak absorption at 1064 nm, temperature rise, optical band gap, element content, and binding energy were tested and analyzed. …”
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    Field measurement of atmospheric CO₂ column abundance based on portable laser heterodyne radiometer by Yong Wang, Yong Wang, Maolei Zhang, Maolei Zhang, Jiapeng Wang, Jiapeng Wang, Gang Wang, Gang Wang, Ruyue Cui, Ruyue Cui, Lei Dong, Lei Dong, Hongpeng Wu, Hongpeng Wu

    Published 2025-02-01
    “…The instrument modulates the solar radiation using a fiber optic switch and amplifies the solar radiation through a semiconductor optical amplifier. …”
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  13. 1593

    Analysis of Non-linear Relationship of PM2.5 Mass Concentration with Aerosol Extinction Coefficient and RH in Hefei, China by Yinan Chen, Shiguo Zhang, Yonghua Wu, Kee Yuan, Jian Huang, Dongfeng Shi, Shunxing Hu

    Published 2023-10-01
    “…Abstract Optical remote sensing of PM2.5 concentration complements ground-based in situ sampler observations and depends on aerosol extinction-to-mass conversion and meteorological factors. …”
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