Fig. 1. Optical path diagram of spectral imaging system which encoded in spectral dimension

Fig. 2. Layout of the telescopic system

Fig. 3. Image quality evalution of the telescopic system. (a) Spot diagram; (b) MTF curve

Fig. 3. [in Chinese]

Fig. 4. Schematic diagram of the dispersion distance

Fig. 5. Optical structure of the dual-pass Offner spectroscopic system

Fig. 6. Spot diagram of the dual-pass Offner spectroscopic system

Fig. 7. MTF curves of the dual-pass Offner spectroscopic system

Fig. 8. Optical design of the microscopic system：(a) Optical structure; (b) Spot diagram; (c) MTF curve

Fig. 9. [in Chinese]

Fig. 9. Integrated optimization of the system：(a) Optical structure; (b) Spot diagram; (c) MTF curve