13 May 1997 Damage-resistant thin film plate polarizer
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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.
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Uwe B. Schallenberg, Uwe B. Schallenberg, Norbert Kaiser, 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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