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Optical Engineering

High-Resolution Interferometric Spectrophotopolarimetry
Author(s): Alain L. Fymat
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Paper Abstract

Spectrophotopolarimetric capability can be added to a laboratory interferometer-spectrometer by use of a specially designed module described herein. With the instrument so augmented, high-resolution spectra can be obtained of the Stokes parameters of the reference beam and the beams diffusely reflected or transmitted by a sample medium of interest. For any such beam, the exponential Fourier transforms of the two interferograms obtained with a polarizer-analyzer oriented along the 0 ° and the 90 ° directions provide the spectra of I and Q, separately. Within experimental (and numerical) noise, this I spectrum should be the same as the one obtained with the polarizer removed. The remaining Stokes parameters U and V are obtained with a third interferogram recorded with the polarizer along the 45° direction. The complete theory of this instrument is described including the detailed analysis of the polarization-interferograms it provides.

Paper Details

Date Published: 1 February 1981
PDF: 6 pages
Opt. Eng. 20(1) 200125 doi: 10.1117/12.7972657
Published in: Optical Engineering Volume 20, Issue 1
Show Author Affiliations
Alain L. Fymat, California Institute of Technology (United States)

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