Chinese Optics Letters, Volume. 23, Issue 2, 021202(2025)

Vibration-resistant full-field heterodyne long-arm interferometry

Qilu Jiao1...2, Yuying Zhang1, Zhou Wu1, Xinxin Kong1, Tong Lü1, Yiwei Hao1, Bo Li1,2, and Wenxi Zhang12,* |Show fewer author(s)
Author Affiliations
  • 1Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 2School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(8)
    System structure. LASER, 633 nm laser; VOAS, variable optical attenuators; C1 and C2, fiber collimators; PBS1 and PBS2, polarization beam splitters; OL, object lens; PA1 and PA2, pin apertures; L1–L4, lenses; M1 and M2, mirrors; camera, CMOS array; QWP1 and QWP2, quarter-wave plates; AOM1 and AOM2, acousto-optic modulators.
    Measurements of vibration frequency and amplitude of the ground. (a) Three groups of measurements at the same location in the laboratory. (b) Measurements at three different locations in the laboratory.
    Measurements of vibration frequency and amplitude of the mirror on the optical table. (a) Top view and (b) front view.
    Measurements of vibration frequency and amplitude. (a) X-direction, (b) Y-direction, (c) Z-direction, and (d) composition direction.
    Ideal sampling (blue), sampling with three sinusoidal vibrations (red), and sampling with random sinusoidal vibrations (yellow) at four different beat frequencies: (a) 5; (b) 50; (c) 400; and (d) 800 Hz.
    (a) Phase errors of different beat frequencies. (b) Measurement errors of different beat frequencies.
    (a) Measuring setup. (b) Phase-shifting interferograms and the measurement results.
    RMS repeatability of the measurement results.
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    Qilu Jiao, Yuying Zhang, Zhou Wu, Xinxin Kong, Tong Lü, Yiwei Hao, Bo Li, Wenxi Zhang, "Vibration-resistant full-field heterodyne long-arm interferometry," Chin. Opt. Lett. 23, 021202 (2025)

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    Paper Information

    Category: Instrumentation, Measurement, and Optical Sensing

    Received: Jun. 25, 2024

    Accepted: Aug. 16, 2024

    Published Online: Mar. 13, 2025

    The Author Email: Wenxi Zhang (zhangwenxi@aoe.ac.cn)

    DOI:10.3788/COL202523.021202

    CSTR:32184.14.COL202523.021202

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