Fig. 1. Schematic diagram of laser wireless energy transmission

Fig. 2. Spectral response curves of main photovoltaic cells

Fig. 3. Schematic diagram of comparison between laser relay transmission and direct transmission

Fig. 4. Principle sketch map of laser relay technology

Fig. 5. (a) Atmospheric transmittances of lasers with different wavelength; (b) Atmospheric transmittances of laser at different emission elevation angles

Fig. 6. Schematic diagram of photovoltaic cells layout

Fig. 7. Multi-aperture optical phased array system^[27]