Fig. 1. Basic principles of Fourier transform spectroscopy technology

Fig. 2. Temporal modulated Michelson interference structure

Fig. 3. Temporal modulated Michelson interference structure based on cubic corner mirror. (a) Cubic corner mirror form; (b) integrated cubic corner mirror form

Fig. 4. Spatially modulated Michelson interference structure. (a) Tilt mirror form; (b) step mirror form

Fig. 5. Temporal modulated Mach-Zehnder interference structure. (a) Plane mirror form; (b) roof corner mirror form

Fig. 6. Spatially modulated Mach-Zehnder interference structure

Fig. 7. Sagnac interference structure

Fig. 8. Various forms of Sagnac interference structures. (a) Triangle; (b) quadrangle; (c) pentagon

Fig. 9. Data acquisition mode of interferometric imaging

Fig. 10. Interferometric image 3D data cube. (a) Data structure; (b) pixelated sampling format

Fig. 11. Temporal modulated Fourier transform spectral imaging based on Michelson interference

Fig. 12. Geosynchronous imaging Fourier transform spectrometer (GIFTS)^[8]. (a) Optical path; (b) optomechanical structure

Fig. 13. Gimballed limb observer for radiance imaging of atmosphere (GLORIA)^[12]. (a) Optomechanical structure; (b) instrument prototype

Fig. 14. MR-i imaging spectrometer from ABB Bomem^[13]. (a) Optical principles; (b) instrument product

Fig. 15. Polluting gas scanning imaging passive remote sensing infrared system^[18]. (a) Optical path structure; (b) instrument prototype

Fig. 16. Geosynchronous interferometric infrared sounder (GIIRS)^[21]. (a) Optical path structure; (b) interferometer prototype

Fig. 17. Atmospheric infrared ultra-spectral sounder (AIUS)^[22]. (a) Optical path structure; (b) interferometer components

Fig. 18. Spatially modulated Fourier transform spectral imaging based on Sagnac interference

Fig. 19. Optical path structure of spatially modulated imaging Fourier transform spectrometer (SMIFTS) ^[24]

Fig. 20. Fourier transform visible hyperspectral imager (FTVHSI). (a) Optical path structure^[26]; (b) platform prototype^[25]

Fig. 21. Fourier transform hyperspectral imager (FTHSI). (a) Optical principles^[29]; (b) optomechanical structure^[28]

Fig. 22. Spatially modulated interference imaging spectrometer (IIS) ^[30]. (a) Optical path structure; (b) instrument prototype

Fig. 23. Environment and disaster monitoring imaging spectrometer ( EDMIS). (a) Optical path structure^[31]; (b) instrument prototype^[32]

Fig. 24. Parallel beam shearing spatiotemporal modulated Fourier transform spectral imaging based on Sagnac interference

Fig. 25. Parallel beam shearing spatiotemporal modulated Fourier transform spectral imaging based on Michelson and Mach-Zehnder interference. (a) Parallel beam shearing based on Michelson interference; (b) parallel beam shearing based on Mach-Zehnder interference

Fig. 26. Aerospace leap-frog imaging stationary interferometer for earth observation (ALISEO). (a) Optical path layout^[36]; (b) instrument prototype^[34]; (c) optical design of VNIR^[39]; (d) optical design of MIR and TIR^[39]

Fig. 27. Camera hyperspectral demonstration (CaHyD). (a) Optical principles^[42]; (b) airborne prototype^[41]

Fig. 28. Demonstrator of spectro-imager in infrared range (DéSI²R) ^[43]. (a) Optical path structure; (b) demonstration prototype

Fig. 29. Infrared spectro-imaging system (Sieleters). (a) Optomechanical structure^[45]; (b) interferometer components^[44]

Fig. 30. Uncooled thermal hyperspectral imager (THI). (a) Optical principles^[49]; (b) instrument prototype^[50]

Fig. 31. Cooled long wave infrared hyperspectral imager. (a) Optical path structure^[56]; (b) instrument prototype^[57]

Fig. 32. Large aperture static imaging spectrometer (LASIS). (a) Optical principles^[59]; (b) instrument prototype^[58]

Fig. 33. Long wave infrared hyperspectral imager. (a) Optical path structure^[63]; (b) platform prototype^[62]

Fig. 34. Visible near-infrared and shortwave infrared hyperspectral imager^[65]. (a) Optical path structure; (b) instrument prototype

Fig. 35. Imaging beam shearing spatiotemporal modulated Fourier transform spectral imaging based on Michelson and Mach-Zehnder interference. (a) Imaging beam shearing based on Michelson interference; (b) imaging beam shearing based on Mach-Zehnder interference

Fig. 36. High etendue imaging Fourier transform spectrometer (HEIFTS)^[67]. (a) Optical path structure; (b) platform prototype

Fig. 37. Mid infrared field spectrometer (Mistere) for evaluation of reflectivity and emissivity. (a) Optical path structure^[73]; (b) optical system components^[70]

Fig. 38. Large aperture ultraviolet Fourier transform imaging spectrometer^[74]. (a) Optical path structure; (b) instrument prototype

Fig. 39. Imaging beam shearing spatiotemporal modulated Fourier transform spectral imaging based on Michelson interference with step mirror

Fig. 40. Image field modulated Fourier transform hyperspectral imager (CIOMP-IFTS-GHI)^[76]. (a) Optical path structure; (b) instrument prototype

Fig. 41. Panoramic bispectral infrared imaging interferometric spectral measurement and inversion instrument (CIOMP-IFTS-GHI2)^[79]. (a) Optical path structure; (b) instrument prototype