Yuan WAN, Rui LI, Yang ZHANG, Jinru YUAN, Heng XIONG, Guowei ZHOU, Jiqiao LIU, Xia HOU. Design of optical axis monitoring system for space-borne lidar[J]. Infrared and Laser Engineering, 2024, 53(6): 20240118
- Infrared and Laser Engineering
- Vol. 53, Issue 6, 20240118 (2024)
Fig. 1. Diagram of the composition of the boresight monitoring system
Fig. 2. The image quality metric for the collimation beam of 785 nm fiber. (a) The spot diagram; (b) The far field irradiance map of the collimation beam
Fig. 3. The image quality metric for the receiving axis from reference light
Fig. 4. The image quality metric for the emission optical axis
Fig. 5. Schematic diagram of multi-channel imaging spots on CCD
Fig. 6. Schematic diagram of the changing optical axis of the R-C system
Fig. 7. The relationship between the optical axis of the receiving channel and the tilt angle of the secondary mirror carrying the reference mirror
Fig. 8. The relationship between the deviation of the receiving optical axis and the tilt angle of the secondary mirror
Fig. 9. Taking optical prism structural representation
Fig. 10. Thermal control simulation results
Fig. 11. Space vacuum thermal environment of lidar calibration test device
Fig. 12. Comparison of optical axis tests. (a) X -direction comparison of the optical axis of emission; (b) Y -direction comparison of the optical axis of emission; (c) X -direction comparison of the optical axis of received (d) Y -direction comparison of the optical axis of received
Fig. 13. On-orbit telemetry data for the optical axis of emission and received
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Table 1. The performance statistics for each channel
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Table 2. CCD camera optical axis data statistics
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