Fig. 1. Schematic diagram of panoramic bispectral infrared imaging interference spectrum measurement inversion instrument

Fig. 2. Schematic diagram of the image field modulation by multi micro mirror

Fig. 3. Optical design drawing of the telescopic imaging system

Fig. 4. Optical design drawing of MWIR relay imaging system

Fig. 5. Optical design drawing of LWIR relay imaging system

Fig. 6. Optical design of MWIR imaging channel

Fig. 7. Optical design of LWIR imaging channel

Fig. 8. MTF of MWIR imaging channel

Fig. 9. MTF of LWIR imaging channel

Fig. 10. Optical path coupling between the dual channel interference system and the dual spectral imaging system

Fig. 11. Prototype of the infrared imaging interference spectrometer

Fig. 12. Measured transmittance spectra of acetonitrile

Fig. 13. Measured transmittance spectra of ammonia

Fig. 14. Filter transmission spectrum by wavenumber calibration

Fig. 15. Digital number spectrum measured by system

Fig. 16. Radiance calibration coefficient

Fig. 17. Blackbody spectrum after radiance calibration and average residual ratio

Fig. 18. Telemetry model of the system for gas plume emission

Fig. 19. Infrared panoramic image

Fig. 20. Inversion image of gas concentration of gas plume