Chunyu Liu, Yi Ding, Shuai Liu, Xinghao Fan, Yunqiang Xie. Development status and trend of filter hyperspectral camera (Invited)[J]. Infrared and Laser Engineering, 2022, 51(1): 20210981
- Infrared and Laser Engineering
- Vol. 51, Issue 1, 20210981 (2022)
Fig. 1. Schematic diagram of hyperspectral imaging principle
Fig. 2. Structure diagram of rotating filter imaging spectrometer
Fig. 3. (a) Schematic diagram of filter wheel used in NIRSpec (b) Auxiliary structure diagram of filter wheel
Fig. 4. Schematic diagram of filter wheel on MIRI
Fig. 5. Exploded view of the design of the filter wheel mechanism
Fig. 6. Schematic diagram of the LCTF imaging spectrometer
Fig. 7. Structure diagram of primary Lyot filter
Fig. 8. Optical path diagram of HPI on Rising-2
Fig. 9. Design diagram of AOTF filter in VNIS
Fig. 10. Schematic diagram of resonant layer thickness of wedge filter
Fig. 11. Schematic diagram of LVF structure and light splitting
Fig. 12. (a) Schematic diagram of microwave-assisted pulse-DC rotating drum sputtering deposition system; (b) Schematic diagram of LVF
Fig. 13. Light energy transmittance of filter
Fig. 14. Principle diagram of LVF and TDI
Fig. 15. Schematic diagram of the arrangement of the filter array[25]
Fig. 16. (a) Bayer pattern of the filter; (b) Image under the microscope
Fig. 17. Experimental optical path of the spectrometer, from right to left is a photographic objective, a filter, a relay objective, and a panchromatic image receiver
Fig. 18. Schematic diagram of 3D data cube and detector pixel coating
Fig. 19. Physical map of filter
Fig. 20. (a) Schematic diagram of filter aligned with detector; (b) Schematic diagram of the actual experimental setup
Fig. 21. (a) Schematic diagram of 16-channel pixel-level filter; (b) Image under microscope
Fig. 22. Complete machine diagram of 16-channel imaging spectrometer
Fig. 23. Illustration of colloidal quantum dot spectrometer system[32]
Fig. 24. Schematic diagram of the proposed NIR QD spectrometer[34]
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Table 1. Relevant parameters of the filter wheel used on Clementine
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