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Research on the particular temperature-induced surface shape of a National Ignition Facility deformable mirror |
Applied Optics, Vol. 52, Issue 2, pp. 280-287 (2013)
http://dx.doi.org/10.1364/AO.52.000280
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Abstract
We investigate the changes in the shape of a deformable mirror used at the National Ignition Facility caused by differences in temperature between the working environment and the mounting temperature of the mirror. In general, the temperature-induced profile change of the mirror is dominated by a few low-order aberrations, which mainly result in defocus. However, after these low-order distortions are corrected, there remain special, higher-order, surface distortions caused by the particular arrangement, construction, and mounting of the mirror actuators. This work analyzes these special aberrations, and their dependence on the particular actuator design, using the finite element method. Experiments are carried out to verify the computational results, and finally, design considerations to help minimize the temperature-induced high-order aberrations are suggested.
© 2013 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: September 10, 2012
Manuscript Accepted: November 20, 2012
Published: January 10, 2013
Citation
Qiao Xue, Lei Huang, Ping Yan, Mali Gong, Zexin Feng, Yuntao Qiu, Tenghao Li, and Guofan Jin, "Research on the particular temperature-induced surface shape of a National Ignition Facility deformable mirror," Appl. Opt. 52, 280-287 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-2-280
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