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Optics Letters

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  • Vol. 36, Iss. 16 — Aug. 15, 2011
  • pp: 3021–3023

Wavefront coding technique for controlling thermal defocus aberration in an infrared imaging system

Shouqian Chen, Zhigang Fan, Zhigao Xu, Baojun Zuo, Shuai Wang, and Haosu Xiao  »View Author Affiliations


Optics Letters, Vol. 36, Issue 16, pp. 3021-3023 (2011)
http://dx.doi.org/10.1364/OL.36.003021


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Abstract

We use a wavefront coding approach to control thermal defocus aberration in an IR imaging system. The design method of athermalized system using a wavefront coding technique is discussed. An athermalized long wave IR optical system, which works at temperatures ranging from 40 ° C to 60 ° C , is designed by employing a cubic phase mask. Computer simulations and the first experimental demonstration are executed to verify the performance of this wavefront coded athermalized system and to clarify the issues related to its implementation.

© 2011 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(110.1758) Imaging systems : Computational imaging
(110.7348) Imaging systems : Wavefront encoding

ToC Category:
Imaging Systems

History
Original Manuscript: May 26, 2011
Revised Manuscript: July 5, 2011
Manuscript Accepted: July 13, 2011
Published: August 4, 2011

Citation
Shouqian Chen, Zhigang Fan, Zhigao Xu, Baojun Zuo, Shuai Wang, and Haosu Xiao, "Wavefront coding technique for controlling thermal defocus aberration in an infrared imaging system," Opt. Lett. 36, 3021-3023 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-16-3021


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