Abstract

The temperature dependence of Verdet constant and thermo-optical characteristics of a new magneto-optical borogermanate glass has been investigated. The performed analysis confirmed a possibility of developing a Faraday isolator and a cryogenic Faraday isolator based on the studied medium, providing a 25dB isolation ratio of laser radiation in the “eye-safe” wavelength range (1530–1620nm) at the power of 0.4kW and 1.3kW, respectively, which is a leading-edge result for magneto-optical glasses.

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