Fig. 1. Schematic diagram of the proposed fast multi-dimensional imaging guidance optical system

Fig. 2. Symbolic diagram of the optical system

Fig. 3. The relationship between the aperture of the sub-unit of the microlens array and the telescope unit magnification at different spatial resolutions

Fig. 4. Transmittance curves of spectral filter array channel

Fig. 5. Schematic diagram of detector’s area division

Fig. 6. Schematic diagram of telecentric imaging optical path of microlens array

Fig. 7. Three-dimensional diagram of the designed optical system

Fig. 8. MTF of 16 spectral channels of the optical system

Fig. 9. Distortion map of 16 spectral channels in the normalized field of view of the optical system

Fig. 10. The energy concentration curves of 16 spectral channels of the optical system