• Acta Photonica Sinica
  • Vol. 51, Issue 6, 0601001 (2022)
Guan ZHOU1、2, Libo LI1, Di FU1, Yafei ZHANG1、2, Yutao FENG1、*, and Changhai LIU3
Author Affiliations
  • 1Key Laboratory of Spectral Imaging Technology of CAS,Xi'an Institute of Optics and Precision Mechanics,CAS,Xi'an 710119,China
  • 2University of Chinese Academy of Sciences,Beijing 100049,China
  • 3Unit 63768 of PLA,Xi'an 710200,China
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    DOI: 10.3788/gzxb20225106.0601001 Cite this Article
    Guan ZHOU, Libo LI, Di FU, Yafei ZHANG, Yutao FENG, Changhai LIU. Analysis of Influence of Doppler Asymmetric Spatial Heterodyne Interferogram Distortion on Phase Inversion Accuracy[J]. Acta Photonica Sinica, 2022, 51(6): 0601001 Copy Citation Text show less
    Sources of DASH’s distortion
    Fig. 1. Sources of DASH’s distortion
    The simulated red oxygen emission line(630.0 nm)interferogram with different distortion
    Fig. 2. The simulated red oxygen emission line(630.0 nm)interferogram with different distortion
    The Influence of different interferogram distortion on the phase retrieval of the red oxygen emission line(630.0 nm)
    Fig. 3. The Influence of different interferogram distortion on the phase retrieval of the red oxygen emission line(630.0 nm)
    The Influence of different interferogram distortion on the phase retrieval of the green oxygen emission line(557.7 nm)
    Fig. 4. The Influence of different interferogram distortion on the phase retrieval of the green oxygen emission line(557.7 nm)
    The influence of local bending on phase inversion of interferograms with different fringe frequencies
    Fig. 5. The influence of local bending on phase inversion of interferograms with different fringe frequencies
    The influence of the size and position of the local bending on phase inversion
    Fig. 6. The influence of the size and position of the local bending on phase inversion
    The influence of multi-line pixel combination of interferograms with different SNR and modulations on phase inversion
    Fig. 7. The influence of multi-line pixel combination of interferograms with different SNR and modulations on phase inversion
    ParametersValue
    Wavelengths630.0 nm(red)557.8 nm(green)
    Littrow wavelengths630.318 1 nm630.318 1 nm
    OPD offset2.5 cm2.5 cm
    Grating level78
    Grating inclination8.2°8.2°
    Grating density64.285 lp/mm64.285 lp/mm
    Prism top angle6.28°6.28°
    Detector resolution800×800800×800
    Table 1. DASH simulation parameters
    TypeCoefficient and valueMax offset/pixel
    Optical distortionk10~6.25×10-60~8
    Local bendingkc10~-3.58×10-40~8
    kc20~0.108
    Slanted fringesθ0~1.15°0~8
    Frequency changedks0~0.020~8
    Table 2. Interferogram distortion parameters
    Guan ZHOU, Libo LI, Di FU, Yafei ZHANG, Yutao FENG, Changhai LIU. Analysis of Influence of Doppler Asymmetric Spatial Heterodyne Interferogram Distortion on Phase Inversion Accuracy[J]. Acta Photonica Sinica, 2022, 51(6): 0601001
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