Kunyan WANG, Yichun DAI, Zhenyu JIN. Attitude Alignment Method of Solar Telescope Secondary Mirror Based on Aberration Detection[J]. Acta Photonica Sinica, 2022, 51(6): 0612004
- Acta Photonica Sinica
- Vol. 51, Issue 6, 0612004 (2022)
Fig. 1. Optical system structure
Fig. 2. The alignment process of secondary mirror
Fig. 3. Comparison between the calculated value and the original value of misalignment（damped least square method）
Fig. 4. Comparison between the calculated value and the original value of misalignment（least square method）
Fig. 5. Cumulative error of misalignment after 1 day alignment（alignment based on stable 0-point position）
Fig. 6. Cumulative error of misalignment after 1 day alignment（alignment based on relative position）
Fig. 7. Comparison between the calculated value and the original value of misalignment for restricting decenter
Fig. 8. Cumulative error of misalignment after 1 day alignment for restricting decenter
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Table 1. Main optical parameters of 2mRST
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Table 2. Order of misalignment sensitivities
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Table 3. RMSE of misalignment solution
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Table 4. RMSE of misalignment solution for restricting decenter*
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Table 5. Image quality compensation effect
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