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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 23 — Aug. 10, 2006
  • pp: 5903–5909

In situ optical testing of infrared lenses for high-performance cameras

S. Velghe, R. Haïdar, N. Guérineau, M. Tauvy, S. Rommeluère, S. Thétas, G. Dunet, and J. Primot  »View Author Affiliations


Applied Optics, Vol. 45, Issue 23, pp. 5903-5909 (2006)
http://dx.doi.org/10.1364/AO.45.005903


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Abstract

We propose to evaluate infrared lenses with a dedicated analyzer having the same mechanical interface as the usual cameras. The proposed analysis is based on a wavefront measurement and allows a diagnostic of possible internal defects of the analyzed lens. The infrared lens analyzer described is constituted with a quadriwave lateral shearing interferometer and works with a blackbody light. We describe the response of this interferometer and an innovative method to obtain the wavefront under test. We finally present the experimental analysis of long-wavelength infrared lenses and the particular case of a modified lens that generates a large spherical aberration.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(110.3080) Imaging systems : Infrared imaging
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(220.4840) Optical design and fabrication : Testing
(260.3060) Physical optics : Infrared

History
Original Manuscript: December 21, 2005
Revised Manuscript: March 15, 2006
Manuscript Accepted: March 17, 2006

Citation
S. Velghe, R. Haïdar, N. Guérineau, M. Tauvy, S. Rommeluère, S. Thétas, G. Dunet, and J. Primot, "In situoptical testing of infrared lenses for high-performance cameras," Appl. Opt. 45, 5903-5909 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-23-5903

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