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
- Laser & Optoelectronics Progress
- Vol. 59, Issue 19, 1930002 (2022)
Fig. 1. Structure diagram of the spatial heterodyne spectrometer
Fig. 2. Influence of nonuniformity distortion on interferogram. (a) Ideal interferogram; (b) interferogram with nonuniformity distortion
Fig. 3. Interferogram and spectrum of one-dimensional water vapor. (a) Interferogram; (b) spectrogram
Fig. 4. Nonuniform distortion function
Fig. 5. Spectral standard deviation distribution before and after correction
Fig. 6. Spectra before and after correction. (a) Distortion surface; (b) spectrum before correction; (c) spectrum after correction
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Table 1. Standard deviation before and after spectral correction
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