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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 19 — Sep. 17, 2007
  • pp: 12030–12038

Response function calculation and sensitivity comparison analysis of various bimorph deformable mirrors

Yu Ning, Wenhan Jiang, Ning Ling, and Changhui Rao  »View Author Affiliations

Optics Express, Vol. 15, Issue 19, pp. 12030-12038 (2007)

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Analysis of the response function for various possible bimorphtype deformable mirrors is presented by numerical calculation. Using this response function, sensitivity comparison of a five-layer bimorph with two- and three-layer structures is carried out. It is shown that the displacement of a bimorph deformable mirror surface reduces when the number of layers increases, and the displacement is closely related to the distance of the control layer from the median plane. The farther electrode contributes the larger deformation on the surface. Furthermore, for a fixed position of the control layer, the displacement is directly proportional to the loading voltage and inversely proportional to the square of the thickness of the PZT layer, and it increases about 1.4 times when the area of the electrode doubles.

© 2007 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(230.4040) Optical devices : Mirrors

ToC Category:
Adaptive Optics

Original Manuscript: May 10, 2007
Revised Manuscript: August 15, 2007
Manuscript Accepted: August 15, 2007
Published: September 6, 2007

Yu Ning, Wenhan Jiang, Ning Ling, and Changhui Rao, "Response function calculation and sensitivity comparison analysis of various bimorph deformable mirrors," Opt. Express 15, 12030-12038 (2007)

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