Applying phase retrieval techniques to infrared spectrometer alignment

Peter T. Spuhler; Tim Valle; Thomas Kampe

doi:10.1117/12.682351

5 September 2006 Applying phase retrieval techniques to infrared spectrometer alignment

Peter T. Spuhler, Tim Valle, Thomas Kampe

Author Affiliations +

Proceedings Volume 6316, Image Reconstruction from Incomplete Data IV; 63160G (2006) https://doi.org/10.1117/12.682351
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We have developed a test method using parametric phase retrieval to estimate the wavefront of a cryogenic infrared spectrometer. The phase retrieval algorithm accounts for optical system obscurations, apodization, noisy detector pixels, polychromatic sources, and spectrometer dispersion. This tool was used in establishing the optimal alignment and focus for a two channel infrared spectrometer operating in a cryogenic environment. This paper provides an overview of the technique and test implementation.

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Peter T. Spuhler, Tim Valle, and Thomas Kampe "Applying phase retrieval techniques to infrared spectrometer alignment", Proc. SPIE 6316, Image Reconstruction from Incomplete Data IV, 63160G (5 September 2006); https://doi.org/10.1117/12.682351

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