Gaoping Liu, Chao Qu, Siqi Zhang. Analysis and Correction of Nonlinear Optical Path Difference of Fourier Transform Spectrometer[J]. Acta Optica Sinica, 2022, 42(8): 0830001
- Acta Optica Sinica
- Vol. 42, Issue 8, 0830001 (2022)
Fig. 1. Fourier transform spectrometer based on Wollaston prism
Fig. 2. Schematic of non-uniform sampling of interferogram
Fig. 3. Mapping relationship between optical path difference and sampling points under different wave numbers
Fig. 4. Interferogram and spectrum of Hg-Ar. (a) Interferogram of Hg-Ar; (b) spectrum of Hg-Ar; (c) spectrum of Hg-Ar after apodization
Fig. 5. Additional phase
Fig. 6. Relative optical path difference
Fig. 7. Corrected spectrum of Hg-Ar
Fig. 8. Additional phase after correction. (a) Additional phase; (b) nonlinear term in additional phase
Fig. 9. Calibration results of spectrum lines of Hg-Ar
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20