Fig. 1. Laser communication system component

Fig. 2. Diagram of beam pointing system with rotating double prisms

Fig. 3. Diagram of spiral scanning

Fig. 4. Diagram of system connection in chain building test phase

Fig. 5. Attitude angular rate of satellite 01

Fig. 6. Attitude angular rate of satellite 02

Fig. 7. Direction change in satellite 01

Fig. 8. Direction change in satellite 02

Fig. 9. Center point 1 and scanning range 1

Fig. 10. Scanning range 3

Fig. 11. Diagram of laser communication terminals illuminating each other at the same time

Fig. 12. Input and output optical path of double prisms