13 May 1997 Damage-resistant thin film plate polarizer
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Abstract
A thin-film polarizer with a high polarization ratio for single laser wavelengths can be realized if a Fabry-Perot filter design is used.THe spectral width of the polarization region of the filter polarizer is smaller than that of the usual long-wave pass filter, but there are not the practical difficulties of depositing multilayer systems with a large number of layers having non-quarter-wave thicknesses. Experimental results of a HfO2/SiO2 Fabry-Perot filter polarizer at 355 nm are presented. The laser-induced damage thresholds of the polarizer are enhanced by minimizing E-field intensities and minimizing absorption.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Uwe B. Schallenberg, Norbert Kaiser, "Damage-resistant thin film plate polarizer", Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); doi: 10.1117/12.274287; https://doi.org/10.1117/12.274287
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KEYWORDS
Polarizers

Polarization

Laser damage threshold

Thin films

Optical filters

Fabry–Perot interferometers

Coating

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