Infrared and Laser Engineering, Volume. 45, Issue 9, 918005(2016)
Simulation of layer oriented multi-conjugate adaptive optics system
The adaptive optics(AO) system in which one turbulence layer is corrected has a good compensation performance only over small field of view. The technology of multi-conjugate adaptive optics(MCAO) can overcome the limitation. The elementary structure and working principle of layer oriented multi-conjugate adaptive optics(LOMCAO) system was presented. Simulation method of LOMCAO system was investigated, including how to generate dynamic turbulence wavefront data, wavefront reconstruction algorithm of pyramid wavefront sensor and close-loop modal control procedure of deformable mirror. Simulations for single layer-conjugate and two layer-conjugate AO systems were carried out. The simulation results show that LOMCAO system has better correction performance over a larger field of view than single-conjugate AO system due to the face that much more guide stars are used and two layer turbulence are compensated in LOMCAO system.
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Yan Zhaojun, Yang Pengqian. Simulation of layer oriented multi-conjugate adaptive optics system[J]. Infrared and Laser Engineering, 2016, 45(9): 918005
Category: 光学设计与仿真
Received: Jan. 8, 2016
Accepted: Feb. 12, 2016
Published Online: Nov. 14, 2016
The Author Email: Zhaojun Yan (zhaojunyan@shao.ac.cn)