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Published December 20, 2000 | public
Journal Article Open

Shot Noise in Gravitational-Wave Detectors with Fabry-Perot Arms


Shot-noise-limited sensitivity is calculated for gravitational-wave interferometers with Fabry–Perot arms, similar to those being installed at the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Italian–French Laser Interferometer Collaboration (VIRGO) facility. This calculation includes the effect of nonstationary shot noise that is due to phase modulation of the light. The resulting formula is experimentally verified by a test interferometer with suspended mirrors in the 40-m arms.

Additional Information

© 2000 Optical Society of America. Received 28 January 2000; revised manuscript received 12 September 2000. We thank the members of the LIGO project for their encouragement and helpful discussions. We particularly thank S. E. Whitcomb, R. E. Spero, and R. Flaminio for helpful advice and insights. This research is supported by the National Science Foundation under cooperative agreement PHY9210038.


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