Wavefront correction performed by a deformable mirror of arbitrary actuator pattern within a multireflection waveguide

Xingkun Ma; Lei Huang; Qi Bian; Mali Gong

doi:10.1364/AO.53.005917

Wavefront correction performed by a deformable mirror of arbitrary actuator pattern within a multireflection waveguide

Xingkun Ma, Lei Huang, Qi Bian, and Mali Gong

Applied Optics
Vol. 53,
Issue 26,
pp. 5917-5923
(2014)
•https://doi.org/10.1364/AO.53.005917

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Xingkun Ma, Lei Huang, Qi Bian, and Mali Gong, "Wavefront correction performed by a deformable mirror of arbitrary actuator pattern within a multireflection waveguide," Appl. Opt. 53, 5917-5923 (2014)

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Related Topics
Table of Contents Category
- Optical Devices
Optics & Photonics Topics
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The topics in this list come from the OSA Optics and Photonics Topics applied to this article.
Previously assigned OCIS codes
- Laser beam shaping (140.3300)
- Mirrors (230.4040)
- Waveguides (230.7370)

About this Article
History
- Original Manuscript: May 7, 2014
- Revised Manuscript: August 3, 2014
- Manuscript Accepted: August 4, 2014
- Published: September 4, 2014

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Abstract

The wavefront correction ability of a deformable mirror with a multireflection waveguide was investigated and compared via simulations. By dividing a conventional actuator array into a multireflection waveguide that consisted of single-actuator units, an arbitrary actuator pattern could be achieved. A stochastic parallel perturbation algorithm was proposed to find the optimal actuator pattern for a particular aberration. Compared with conventional an actuator array, the multireflection waveguide showed significant advantages in correction of higher order aberrations.

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Thin plate mirror (BK7 glass) [15]	Young’s modulus	$E = 82 \times 10^{9} Pa$
	Poisson ratio	$γ = 0.2$
	DM with $5 \times 5$ actuator array	$10 mm \times 10 mm \times 1 mm$
	DM unit with single actuator	$20 mm \times 20 mm \times 1 mm$
Input laser beam	Dimensions	$8 mm \times 8 mm$

Indicator	Direction	Movement
$A$	[1,0]	$[δ s, 0]$
$B$	[1,1]	$[δ s, δ s]$
$C$	[0,1]	$[0, δ s]$
$D$	$[- 1, 1]$	$[- δ s, δ s]$
$E$	$[- 1, 0]$	$[- δ s, 0]$
$F$	$[- 1, - 1]$	$[- δ s, - δ s]$
$G$	$[0, - 1]$	$[0, - δ s]$
$H$	$[1, - 1]$	$[δ s, - δ s]$
$O$	[0,0]	[0,0]

Thin plate mirror (BK7 glass) [15]	Young’s modulus	$E = 82 \times 10^{9} Pa$
	Poisson ratio	$γ = 0.2$
	DM with $5 \times 5$ actuator array	$10 mm \times 10 mm \times 1 mm$
	DM unit with single actuator	$20 mm \times 20 mm \times 1 mm$
Input laser beam	Dimensions	$8 mm \times 8 mm$

Indicator	Direction	Movement
$A$	[1,0]	$[δ s, 0]$
$B$	[1,1]	$[δ s, δ s]$
$C$	[0,1]	$[0, δ s]$
$D$	$[- 1, 1]$	$[- δ s, δ s]$
$E$	$[- 1, 0]$	$[- δ s, 0]$
$F$	$[- 1, - 1]$	$[- δ s, - δ s]$
$G$	$[0, - 1]$	$[0, - δ s]$
$H$	$[1, - 1]$	$[δ s, - δ s]$
$O$	[0,0]	[0,0]

Abstract

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Figures (8)

Tables (2)

Equations (5)

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