Abstract
The thermally induced depolarization and Verdet constant of crystals—their most important characteristics—have been studied in the 79–293 K temperature range. It has been found that thermal effects reduce substantially upon cooling down to 79 K and the Verdet constant grows in inverse proportion to the temperature. It was shown that crystals are not inferior to TGG as a medium for Faraday isolators, including cryogenic ones.
© 2017 Optical Society of America
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