Haibo Zhao, Yanli Liu, Wenshuo Yang, Yun Su, Dahua Gao, Quansen Sun, Huijie Zhao. Double channels diffractive computational imaging spectrometer system[J]. Infrared and Laser Engineering, 2022, 51(5): 20220077
- Infrared and Laser Engineering
- Vol. 51, Issue 5, 20220077 (2022)
Fig. 1. Schematic diagram of diffraction imaging spectrometer system
Fig. 2. Theory PSF (520-800 nm, 15 wavebands)
Fig. 3. Each mixed diffractive image in corresponding focal plane
Fig. 4. Each demodulation spectral image
Fig. 5. Demodulation error of 740 nm
Fig. 6. Experimental prototype of the double channels system
Fig. 7. Imaging targets (scene one and scene two)
Fig. 8. [in Chinese]
Fig. 8. Imaging effect of three diffraction channels and one grayscale channel
Fig. 9. Reconstructed spectral data of scene one
Fig. 10. Reconstructed spectral data of scene two
Fig. 11. [in Chinese]
Fig. 11. Reconstructed spectral data curve and accuracy (Black curve: the target spectral curve measured by ocean optics spectrometer；Red curve: the target spectral curve recovered by the experimental system)
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