Fig. 1. Optical synthetic aperture imaging schematic of wavelength tunable laser local oscillator coherent array detector

Fig. 2. Optical synthetic aperture coherent imaging algorithm schematic

Fig. 3. Structure of wavelength tunable laser local oscillator infrared coherent array detector based on spatial optical path mixing

Fig. 4. Structure of dual band infrared diffractive optical system

Fig. 5. Main structure of the telescope

Fig. 6. Pupil function amplitude of 10 m telescope system

Fig. 7. Point spread function of 10 m telescope system

Fig. 8. Modulation transfer function of 10 m telescope system

Fig. 9. Flowchart of optical synthetic aperture coherent imaging simulation

Fig. 10. Simulation results of point target's complex image amplitude maps before and after coherent synthesis

Fig. 11. Simulation results of the received complex signal's design phase on the pupil plane before and after coherent synthesis

Fig. 12. Phase estimation simulation of complex image signals after coherent synthesis

Fig. 13. Simulation results of point target’s complex image amplitude maps before and after array deformation error compensation after coherent synthesis