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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 11 — Jun. 2, 2014
  • pp: 13792–13803

Multichannel-Hadamard calibration of high-order adaptive optics systems

Youming Guo, Changhui Rao, Hua Bao, Ang Zhang, Xuejun Zhang, and Kai Wei  »View Author Affiliations

Optics Express, Vol. 22, Issue 11, pp. 13792-13803 (2014)

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we present a novel technique of calibrating the interaction matrix for high-order adaptive optics systems, called the multichannel-Hadamard method. In this method, the deformable mirror actuators are firstly divided into a series of channels according to their coupling relationship, and then the voltage-oriented Hadamard method is applied to these channels. Taking the 595-element adaptive optics system as an example, the procedure is described in detail. The optimal channel dividing is discussed and tested by numerical simulation. The proposed method is also compared with the voltage-oriented Hadamard only method and the multichannel only method by experiments. Results show that the multichannel-Hadamard method can produce significant improvement on interaction matrix measurement.

© 2014 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(090.1000) Holography : Aberration compensation
(010.1285) Atmospheric and oceanic optics : Atmospheric correction

ToC Category:
Adaptive Optics

Original Manuscript: March 6, 2014
Revised Manuscript: May 19, 2014
Manuscript Accepted: May 21, 2014
Published: May 30, 2014

Youming Guo, Changhui Rao, Hua Bao, Ang Zhang, Xuejun Zhang, and Kai Wei, "Multichannel-Hadamard calibration of high-order adaptive optics systems," Opt. Express 22, 13792-13803 (2014)

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