Fig. 1. SAIL diagram. (a) Working diagram of stripe airborne SAIL; (b) optical schematic of SAIL

Fig. 2. Principle demonstration result of SAIL by Air Force Research Lab^[5]. (a) Scheme of experimental system; (b) target; (c) imaging result

Fig. 3. Airborne SAIL system and experimental results by Lockheed Martin corporation of America^[23]. (a) Picture of airborne testing scene; (b) testing target; (c) imaging result

Fig. 4. Experimental demonstration of interference SAIL by Montana State University^[45]. (a) Experimental schematic; (b) imaging result

Fig. 5. Experimental demonstration of SAIL by SIOM^[49-50]. (a) Experimental schematic; (b) testing target; (c) imaging result

Fig. 6. Experimental demonstration of SAIL based on one-way far-field diffraction in laboratory^[54]. (a) Testing target; (b) imaging result

Fig. 7. Airborne down-looking SAIL image^[24]. (a) Photograph of the target; (b) two-dimensional SAIL focus image

Fig. 8. Schematic of ghost imaging lidar via coherent detection^[20]

Fig. 9. Simulation results of ghost imaging via coherent detection for moving targets^[20]

Fig. 10. Simulation results of the influence of irradiation signal-to-noise ratio to ghost imaging lidar with different detection modes^[21]. (a) Narrow pulsed ghost imaging lidar; (b) heterodyne ghost imaging lidar; (c) ghost imaging lidar via coherent detection

Fig. 11. Experimental results of ghost imaging via coherent detection in different receiving echo powers^[22]. (a) Experimental schematic of ghost imaging via coherent detection; (b) reconstruction results of ghost imaging in different receiving echo powers

Fig. 12. Experimental results of ghost imaging for micro-vibration target^[67]. (a) Experimental schematic; (b) recovered micro-vibration of the target; (c) testing target; (d) reconstruction result