Large-aperture Faraday isolator based on a terbium gallium garnet crystal (original) (raw)

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E. A. Mironov, D. S. Zheleznov, A. V. Starobor, A. V. Voitovich, O. V. Palashov, A. M. Bulkanov, and A. G. Demidenko

Author Affiliations

E. A. Mironov,1,*D. S. Zheleznov,1A. V. Starobor,1A. V. Voitovich,1O. V. Palashov,1,2A. M. Bulkanov,3and A. G. Demidenko3

1Institute of Applied Physics RAS, 46 Ulyanov Str., Nizhny Novgorod 603950, Russia

2Nizhny Novgorod State University, 23 Gagarin ave, Nizhny Novgorod 603022, Russia

3Institute of Material Science, 4 passage 4806, South Industrial Area, Zelenograd, Moscow 103460, Russia

*Corresponding author: miea209@rambler.ru

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Abstract

Unique Faraday isolator based on a TGG single crystal with aperture diameter of 40 mm for high average power lasers has been fabricated and investigated experimentally. The device provides a stable isolation ratio over 30 dB for large-radius laser beams with kilowatt average power radiation typical for high-power applications.

© 2015 Optical Society of America

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