Infrared and Laser Engineering, Volume. 52, Issue 7, 20220887(2023)
Low spatio-temporal frequency wavefront aberration correction technology of solar telescope
Figures & Tables(17)
![Optical configuration (a) and the components (b) of the POST[15]](/Images/icon/loading.gif){kind=icon}
Fig. 2. Optical configuration (a) and the components (b) of the POST[15]
Fig. 3. Curve of Zernike coefficients affected by the displacement in the direction of five degrees of freedom of secondary mirror. (a) Translation around
Fig. 4. Wavefront diagram and Zernike coefficients of aberration caused by position mismatch error. (a) Before correction; (b) After correction
Fig. 5. Wavefront diagram and Zernike coefficients of aberration caused by non-mismatch error. (a) Before correction; (b) After correction
Fig. 6. Wavefront diagram and Zernike coefficient of aberration caused by multi-source mixed error. (a) Before correction; (b) After correction
Fig. 8. Wavefront diagram of aberration caused by position mismatch error. (a1)-(a5) Before correction; (b1)-(b5) After correction
Fig. 9. RMS of aberration caused by position mismatch error. (a) Before correction; (b) After correction
Fig. 10. Wavefront diagram of aberration caused by non-mismatch error. (a1)-(a5) Before correction; (b1)-(b5) After correction
Fig. 11. RMS of aberration caused by non-mismatch error. (a) Before correction; (b) After correction
Fig. 12. Wavefront diagram of aberration caused by multi-source mixed error. (a1)-(a5) Before correction; (b1)-(b5) After correction
Fig. 13. RMS of aberration caused by multi-source mixed error. (a) Before correction; (b) After correction
Table 1. Telescope parameters
View tableView in ArticleTable 1. Telescope parameters
Surface Mechanical diameter d/mm Radius of curvature r/mm Interval D/mm Conic factor Primary mirror 600 −2 040 −1320 −1 Secondary mirror 180 504.812 - −0.466
Table 2. Group 5 experimental data-correction of aberration caused by position mismatch error （Unit: μm）
View tableView in ArticleTable 2. Group 5 experimental data-correction of aberration caused by position mismatch error （Unit: μm）
Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 RMS Before correction −1.257 0.437 0.019 −0.050 −0.024 −0.111 0.020 0.131 1.343 After correction −0.001 0.018 0.044 −0.027 −0.033 −0.028 0.003 0.089 0.113
Table 3. Group 6 experimental data-correction of aberration caused by non-mismatch error （Unit: μm）
View tableView in ArticleTable 3. Group 6 experimental data-correction of aberration caused by non-mismatch error （Unit: μm）
Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 RMS Before correction 0.016 0.443 0.103 −0.005 0.115 −0.001 0.148 0.012 0.492 After correction 0.031 0.036 0.037 0.006 0.121 −0.002 0.107 −0.008 0.172
Table 4. Group 15 experimental data-correction of aberration caused by multi-source mixed error （Unit: μm）
View tableView in ArticleTable 4. Group 15 experimental data-correction of aberration caused by multi-source mixed error （Unit: μm）
Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 RMS Before correction −2.029 0.809 −0.576 −0.090 −0.054 −0.068 −0.009 0.127 2.265 After correction −0.023 −0.003 0.014 −0.012 −0.0007 0.102 −0.035 0.108 0.155
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Simin Zhao, Naiting Gu, Linhai Huang, Yawei Xiao, Lanqiang Zhang, Yuntao Cheng, Zongzheng Du. Low spatio-temporal frequency wavefront aberration correction technology of solar telescope[J]. Infrared and Laser Engineering, 2023, 52(7): 20220887
Paper Information
Category: Optical design
Received: Dec. 13, 2022
Accepted: --
Published Online: Aug. 16, 2023
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