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Published July 1, 2012 | Published
Journal Article Open

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


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.

Additional Information

© 2012 Optical Society of America. Received January 19, 2012; revised April 6, 2012; accepted April 17, 2012; posted April 18, 2012 (Doc. ID 161872); published June 27, 2012. This work was supported by the National Science Foundation (NSF) through grants PHY-0757968, PHY-0855313, and PHY-0555453 and by the European Gravitational Observatory through a grant for the development of "High power optical component for Advanced Virgo." This document has been assigned LIGO doc. no. P1100095.

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Published - Palashov2012p19036J_Opt_Soc_Am_B.pdf


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