Laser & Optoelectronics Progress, Volume. 59, Issue 19, 1930002(2022)

Nonuniformity Distortion Correction of Spatial Heterodyne Continuous Light

Runhao Wang1, Yingru Sun1, Yinlu Gan1, Xingjiang Wu1, Junjie Ke1, Xinqiang Wang1,2, and Yongying Gan2,3、*
Author Affiliations
  • 1School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China
  • 2Guangxi Key Laboratory of Optoelectronic Information Processing, Guilin 541004, Guangxi, China
  • 3Teaching Practice Department, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China
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    Figures & Tables(7)
    Structure diagram of the spatial heterodyne spectrometer
    Influence of nonuniformity distortion on interferogram. (a) Ideal interferogram; (b) interferogram with nonuniformity distortion
    Interferogram and spectrum of one-dimensional water vapor. (a) Interferogram; (b) spectrogram
    Nonuniform distortion function
    Spectral standard deviation distribution before and after correction
    Spectra before and after correction. (a) Distortion surface; (b) spectrum before correction; (c) spectrum after correction
    • Table 1. Standard deviation before and after spectral correction

      View table

      Table 1. Standard deviation before and after spectral correction

      No.No. 202No. 330No. 666
      Standard deviation before spectral correction0.069560.073600.04571
      Standard deviation after spectral correction0.002430.001810.00308
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    Runhao Wang, Yingru Sun, Yinlu Gan, Xingjiang Wu, Junjie Ke, Xinqiang Wang, Yongying Gan. Nonuniformity Distortion Correction of Spatial Heterodyne Continuous Light[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1930002

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    Paper Information

    Category: Spectroscopy

    Received: Sep. 29, 2021

    Accepted: Oct. 11, 2021

    Published Online: Sep. 23, 2022

    The Author Email: Gan Yongying (yolanda_gan@qq.com)

    DOI:10.3788/LOP202259.1930002

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