High-vacuum-compatible high-power Faraday isolators for gravitational-wave interferometers

Oleg V. Palashov, Dmitry S. Zheleznov, Alexander V. Voitovich, Victor V. Zelenogorsky, Eugene E. Kamenetsky, Efim A. Khazanov, Rodica M. Martin, Katherine L. Dooley, Luke Williams, Antonio Lucianetti, Volker Quetschke, Guido Mueller, David H. Reitze, David B. Tanner, Eric Genin, Benjamin Canuel, Julien Marque

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Faraday isolators play a key role in the operation of large-scale gravitational-wave detectors. Second-generation gravitational-wave interferometers such as the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) and Advanced Virgo will use high-average-power cw lasers (up to 200 W) requiring specially designed Faraday isolators that are immune to the effects resulting from the laser beam absorption-degraded isolation ratio, thermal lensing, and thermally induced beam steering. In this paper, we present a comprehensive study of Faraday isolators designed specifically for high-performance operation in high-power gravitational-wave interferometers.

Original languageEnglish
Pages (from-to)1784-1792
Number of pages9
JournalJournal of the Optical Society of America B: Optical Physics
Issue number7
StatePublished - Jul 2012


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