Lujia Zhao, Licheng Zhu, Lianghua Wen, Ping Yang, Shijie Hu. Correction of Misaligned Error of Large Aperture Thin Film Splicing Mirrors Based on Stochastic Parallel Gradient Descent Algorithm[J]. Laser & Optoelectronics Progress, 2020, 57(19): 193101
- Laser & Optoelectronics Progress
- Vol. 57, Issue 19, 193101 (2020)
![MORIE real-time imaging system[10]. (a) Diagram of the MORIE imaging system; (b) diagram of splicing structure in the MORIE system](/richHtml/lop/2020/57/19/193101/img_1.jpg)
Fig. 1. MORIE real-time imaging system[10]. (a) Diagram of the MORIE imaging system; (b) diagram of splicing structure in the MORIE system
Fig. 2. Splicing model of FZP
Fig. 3. Flowchart of SPGD to correct the misalignment error of splicing mirror
Fig. 4. Statistical information of initial wavefront. (a) PV distribution diagram; (b) RMS distribution diagram; (c) SR distribution diagram
Fig. 5. Optimization curves of five evaluation indexes. (a) Curve of J1; (b) curve of J2; (c) curve of J3; (d) curve of J4; (e) curve of J5
Fig. 6. Statistical average optimization curves. (a) Curve of J1; (b) curve of J2; (c) curve of J3; (d) curve of J4; (e) curve of J5
Fig. 7. Histograms of optimized wavefront residual RMS value. (a) Histogram of J1; (b) histogram of J2; (c) histogram of J3; (d) histogram of J4; (e) histogram of J5
Fig. 8. Histograms of wavefront residual SR value. (a) Histogram of J1; (b) histogram of J2; (c) histogram of J3; (d) histogram of J4; (e) histogram of J5
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Table 1. Gain step size and the ideal value of five optimization indexes
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