Zhu Liu, Qi Peng, Ge Ren, Chunsheng Xiang, Yufeng Tan. Second-Order Sensitivity Matrix Method for Aligning Off-Axis Telescopes[J]. Laser & Optoelectronics Progress, 2022, 59(8): 0811002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 8, 0811002 (2022)
Fig. 1. Shaded model of off-axis optical system
Fig. 2. Relationship curve between Zernike coefficients and different misalignments. (a) X-axis decenter error; (b) x-axis tilt error; (c) y-axis decenter error; (d) y-axis tilt error
Fig. 3. Fig. 2 expanded graph of the curve affected greatly. (a) Relationship curve between Z4, Z8 and x-axis decenter; (b) relationship curve between Z4, Z7 and y-axis decenter; (c) relationship curve between Z6, Z7 and x-axis tilt; (d) relationship curve between Z6, Z8 and y-axis tilt
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Table 1. Parameters of off-axis optical system
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Table 2. Goodness of curve fitting
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Table 3. Difference between actual value and calculate value by traditional method
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Table 4. Difference between actual value and calculate value by new method
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Table 5. Comparison of accuracy between two methods
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Table 6. Accuracy difference between traditional method and new method
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