Xiang Chen, Xinrong Hu, Jianhua Zhang, Shuai Li, Jingjing Xue, Bin Ren, Yi Jin. Beam pointing and coarse tracking characteristics of Tip-Tilt mirror type laser communication terminal[J]. Infrared and Laser Engineering, 2021, 50(12): 20210146
- Infrared and Laser Engineering
- Vol. 50, Issue 12, 20210146 (2021)
Fig. 1. Schematic diagram of two-dimensional scanning Tip-Tilt mirror
Fig. 2. Flow chart of the proposed normal vector solution algorithm
Fig. 3. Ratio of rotation angles of reflected rays vary with the mirror rotation angles
Fig. 4. Field angle of view for the reflected light
Fig. 5. Relationship between the azimuth angle, elevation angle and field of view of the 45° reflector under different rotation modes with two-dimensional scanning
Fig. 5. [in Chinese]
Fig. 6. Definition of coordinate systems for the Tip-Tilt mirror CPA
Fig. 7. Optical simulation model of the Tip-Tilt mirror LCT
Fig. 8. Random sampling of off-axis field beams in different pointing areas
Fig. 9. Error of the beam propagation model
Fig. 10. Error of the proposed tracking model
Fig. 11. Physical image of Tip-Tilt mirror LCT
Fig. 12. Schematic diagram of the experiment
Fig. 13. Coase tracking error of the laser terminal. (a) Azimuth; (b) Elevation
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