Chao Zhang, Hui Xing, Junru Song, Junhua Yan, Kai Zhang, Chongyang Li, Zhiyuan Liu, Zhongrui Jin. Measurement of optical axis eccentricity of a large-aperture concave ellipsoid mirror[J]. Infrared and Laser Engineering, 2021, 50(12): 20210196
- Infrared and Laser Engineering
- Vol. 50, Issue 12, 20210196 (2021)
Fig. 1. Eccentricity of the ellipsoid
Fig. 2. Establishing the measuring coordinate system ∑0
Fig. 3. Primary mirror under test
Fig. 4. Optical model of test
Fig. 5. Relationship between misalignment variables and aberrations of the primary mirror
Fig. 6. Relationship between misalignment variables and aberrations of the flat crystal
Fig. 7. Light path of the test
Fig. 8. Test of the line eccentricity
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Table 1. Zernike polynominal expressions of circular domain
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Table 2. Design results of the optical system
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Table 3. Aberration of the system（λ =632.8 nm）
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Table 4. Sensitivity matrix
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Table 5. System aberration (λ =632.8 nm)
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Table 6. Test result of the angle
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