Cheng Tao, Liu Wenjin, Yang Kangjian, Wen Lianghua, He Xing, Dong Lizhi, Yang Ping, Xu Bing. Decoupling Control Algorithm Based on Laplacian Eigenfunction for Woofer-Tweeter Adaptive Optics System[J]. Chinese Journal of Lasers, 2018, 45(9): 905003
- Chinese Journal of Lasers
- Vol. 45, Issue 9, 905003 (2018)
Fig. 1. Woofer-Tweeter double deformation adaptive optical experiment system
Fig. 2. Locations configuration of deformable mirror actuator and S-H sub-aperture
Fig. 3. First 50 order of Laplacian eigenfunctions in circle area
Fig. 4. Orthogonality of function. (a) Orthogonality of Laplacian eigenfunction; (b) orthogonality of the first derivative term of Laplacian eigenfunction
Fig. 5. Correction results of single deformable mirror. (a) φPV=2.27λ, φRMS=0.43λ;(b) φPV=2.27λ, φRMS=0.43λ; (c) φPV=2.05λ, φRMS=0.38λ; (d) φPV=2.07λ, φRMS=0.39λ;(e) φPV=0.31λ, φRMS=0.056λ; (f) φPV=0.31λ, φRMS=0.058λ
Fig. 6. Correction results of decoupling algorithm based on Laplacian eigenfunction in two schemes to aberration.(a) φPV=0.43λ, φRMS=0.16λ; (b) φPV=1.20λ, φRMS=0.35λ; (c) φPV=0.15λ, φRMS=0.040λ;(d) φPV=0.55λ, φRMS=0.19λ; (e) φPV=1.03λ, φRMS=0.33λ; (f) φPV=0.14λ, φRMS=0.039λ
Fig. 7. Correction process of single deformable mirror and Woofer-Tweeter composite deformable mirror
Fig. 8. Woofer and Tweeter correction under the schemeⅠ. (a) Constraint matrix based on Laplacian eigenfunction; (b) constraint matrix based on the first derivative term of Laplacian eigenfunction
Fig. 9. Woofer and Tweeter correction under the scheme Ⅱ. (a) Constraint matrix based on Laplacian eigenfunction; (b) constraint matrix based on the first derivative term of Laplacian eigenfunction
Fig. 10. Coupling coefficient between Woofer and Tweeter. (a) SchemeⅠ; (b) schemeⅡ
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20