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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 20 — Oct. 1, 2007
  • pp: 12792–12805

Fourier transform channeled spectropolarimetry in the MWIR

Michael W. Kudenov, Nathan A. Hagen, Eustace L. Dereniak, and Grant R. Gerhart  »View Author Affiliations

Optics Express, Vol. 15, Issue 20, pp. 12792-12805 (2007)

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A complete Fourier Transform Spectropolarimeter in the MWIR is demonstrated. The channeled spectral technique, originally developed by K. Oka, is implemented with the use of two Yttrium Vanadate (YVO4) crystal retarders. A basic mathematical model for the system is presented, showing that all the Stokes parameters are directly present in the interferogram. Theoretical results are compared with real data from the system, an improved model is provided to simulate the effects of absorption within the crystal, and a modified calibration technique is introduced to account for this absorption. Lastly, effects due to interferometer instabilities on the reconstructions, including nonuniform sampling and interferogram translations, are investigated and techniques are employed to mitigate them.

© 2007 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:

Original Manuscript: May 22, 2007
Revised Manuscript: September 13, 2007
Manuscript Accepted: September 14, 2007
Published: September 21, 2007

Michael W. Kudenov, Nathan A. Hagen, Eustace L. Dereniak, and Grant R. Gerhart, "Fourier transform channeled spectropolarimetry in the MWIR," Opt. Express 15, 12792-12805 (2007)

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