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Chinese Journal of Lasers, Volume. 47, Issue 11, 1104005(2020)

Theoretical Analysis of Real-Time High-Resolution Phase Measurement Method Based on Optical Combs

Ge Jinman1,2、*, Yan Ming2,3, Tan Qinggui1, Yu Xumin1, Zhu Zhongbo1, Li Xiaojun1, and Zeng Heping2,3
Author Affiliations
  • 1National Key Laboratory of Science and Technology on Space Microwave, China Academy of Space Technology (Xi''an), Xi''an, Shaanxi 710100, China
  • 2State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
  • 3Chongqing Institute of East China Normal University, Chongqing 401147, China
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    Figures & Tables(6)
    Spatial high-resolution phase measurement scheme based on optical comb

    Fig. 1. Spatial high-resolution phase measurement scheme based on optical comb

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    Geometric light path formed by spatial chirped light array

    Fig. 2. Geometric light path formed by spatial chirped light array

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    Relationship between comb spectrum width and K1 under different conditions. (a) Grooves of grating; (b) incident angle

    Fig. 3. Relationship between comb spectrum width and K1 under different conditions. (a) Grooves of grating; (b) incident angle

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    Relationship between width of optical comb spectrum and K2 at different fr values. (a) 10 GHz

    Fig. 4. Relationship between width of optical comb spectrum and K2 at different fr values. (a) <1 GHz; (b) >10 GHz

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    Relationship between repetition frequency and spatial interval (inset is enlarged view of local area)

    Fig. 5. Relationship between repetition frequency and spatial interval (inset is enlarged view of local area)

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    Measurement results of LCOPA static phase distribution. (a) Optical comb spectrum; (b) time domain beat signal; (c) amplitude spectrum; (d) phase spectrum

    Fig. 6. Measurement results of LCOPA static phase distribution. (a) Optical comb spectrum; (b) time domain beat signal; (c) amplitude spectrum; (d) phase spectrum

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    Ge Jinman, Yan Ming, Tan Qinggui, Yu Xumin, Zhu Zhongbo, Li Xiaojun, Zeng Heping. Theoretical Analysis of Real-Time High-Resolution Phase Measurement Method Based on Optical Combs[J]. Chinese Journal of Lasers, 2020, 47(11): 1104005

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    Paper Information

    Category: Measurement and metrology

    Received: Jun. 2, 2020

    Accepted: --

    Published Online: Nov. 2, 2020

    The Author Email: Jinman Ge (gjm129@163.com)

    DOI:10.3788/CJL202047.1104005

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology