Terbium aluminum garnet and terbium hafnium pyrochlore ceramics for high-power magnetooptical applications

A. V. Starobor; O. V. Palashov; Lixuan Zhang; Jiang Li

doi:10.1117/12.2688902

27 November 2023 Terbium aluminum garnet and terbium hafnium pyrochlore ceramics for high-power magnetooptical applications

A. V. Starobor, O. V. Palashov, Lixuan Zhang, Jiang Li

Author Affiliations +

Proceedings Volume 12760, Advanced Lasers, High-Power Lasers, and Applications XIV; 1276004 (2023) https://doi.org/10.1117/12.2688902
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

We created and measured properties (the Verdet constant, absorption coefficient, thermooptical constants Q and P relevant to thermally induced depolarization and thermal lens effect) of promising magneto-optical Terbium-Aluminium Garnet (TAG) and Terbium-Hafnium Pyrochlore (THP) ceramics. It is shown that TAG ceramics made by solid-state reaction sintering has smallest absorption coefficient and could work as magnetooptical element in Faraday Isolator (FI) with a kW-class laser power providing 30 dB isolation ratio. So, TAG based Faraday rotators can be successfully used in laser system with high average and peak power.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

A. V. Starobor, O. V. Palashov, Lixuan Zhang, and Jiang Li "Terbium aluminum garnet and terbium hafnium pyrochlore ceramics for high-power magnetooptical applications", Proc. SPIE 12760, Advanced Lasers, High-Power Lasers, and Applications XIV, 1276004 (27 November 2023); https://doi.org/10.1117/12.2688902

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