Jinguang Lü, Baixuan Zhao, Jingqiu Liang, Weibiao Wang, Yuxin Qin, Jin Tao. Modeling and Experiment of Image Field Modulated Fourier Transform Imaging Spectrometer[J]. Acta Optica Sinica, 2020, 40(18): 1811002
- Acta Optica Sinica
- Vol. 40, Issue 18, 1811002 (2020)
Fig. 1. Principle diagram of image field modulated Fourier transform imaging spectrometer
Fig. 2. Data structure of image field modulated Fourier transform imaging spectrometer
Fig. 3. Illustration of optical path modulation to image field by multi-micro-mirror
Fig. 4. Light intensity distribution of target scene
Fig. 5. Intensity distribution of interference image
Fig. 6. Data processing and results of interference image. (a) Panoramic image by image splicing; (b) interferogram by fringe splicing; (c) recovered spectral image; (d) recovered spectral curves of line object sampling point
Fig. 7. Prototype of image field modulated Fourier transform imaging spectrometer
Fig. 8. Interference image data cube
Fig. 9. Image shearing line by edge detection and interpolation fitting
Fig. 10. Image after feature registration splicing
Fig. 11. Spliced image after frequency domain filtering
Fig. 12. Interferogram after interference fringe splicing
Fig. 13. Data processing of interferogram sequence. (a) Extraction; (b) baseline correction; (c) addressing apodization
Fig. 14. Data processing of recovered spectra. (a) Non-uniform sampling correction; (b) spectral demodulation
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