FTIR-based polarimeter with high-quality Brewster's angle polarizers

Simon G. Kaplan; Leonard M. Hanssen

doi:10.1117/12.326668

8 October 1998 FTIR-based polarimeter with high-quality Brewster's angle polarizers

Simon G. Kaplan, Leonard M. Hanssen

Proceedings Volume 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials; (1998) https://doi.org/10.1117/12.326668
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A Fourier transform infrared (FT-IR) spectrometer-based broadband infrared polarimeter has been developed around a pair of high-quality Brewster angle polarizers. These polarizers consist of four Ge plates in a chevron geometry and have been measured to have extinction ratios of less than 10^-5 at four laser wavelengths from 0.63 micrometer to 10.6 micrometer. The polarimeter has been used to characterize wire-grid polarizers from 1 micrometer to 12 micrometer, as well as for full Mueller matrix determination from 1 micrometer to 5 micrometer using a rotating-retarder arrangement with a pair of MgF₂ retarders.

Citation Download Citation

Simon G. Kaplan and Leonard M. Hanssen "FTIR-based polarimeter with high-quality Brewster's angle polarizers", Proc. SPIE 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials, (8 October 1998); https://doi.org/10.1117/12.326668

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KEYWORDS

Polarizers

Wave plates

Polarimetry

Germanium

Sensors

Magnesium fluoride

Spectroscopy

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