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  • Received: Apr. 3, 2007

    Accepted: --

    Posted: Oct. 11, 2007

    Published Online: Oct. 11, 2007

    The Author Email: Guilin Liu (


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    Guilin Liu, Huafeng Yang, Changhui Rao, Yudong Zhang, Wenhan Jiang. Experimental verification of combinational-deformable-mirror for phase correction[J]. Chinese Optics Letters, 2007, 5(10): 559

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Chinese Optics Letters, Vol. 5, Issue 10, 559 (2007)

Experimental verification of combinational-deformable-mirror for phase correction

Guilin Liu1,2,*, Huafeng Yang1,2, Changhui Rao1,3, Yudong Zhang1,3, and Wenhan Jiang1

Author Affiliations

  • 1Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209
  • 2Graduate School of the Chinese Academy of Sciences, Beijing 100039
  • 3College of Optoelectronics Science and Engineering, National University of Defense Technology, Changsha 410073


In adaptive optics (AO) system, the phase compensation capability is limited greatly by the actuator number of the deformable mirror (DM). The actuator number of DM is mainly restricted by the manufacture techniques. The spatial correction capability of AO system can be improved by two or more combinational-DMs (CDMs) with conjugation relationship. The CDM AO system for wavefront correction is built, which consists of two 32-element DMs. The experimental results are in agreement with the numerical simulation results. It is indicated that the CDM AO system provides better correction performance than the single 32-element DM AO system.


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