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Measurement of optical response of a detuned resonant sideband extraction gravitational wave detector

Miyakawa, Osamu and Ward, Robert and Adhikari, Rana X. and Evans, Matthew and Abbott, Benjamin and Bork, Rolf and Busby, Daniel and Heefner, Jay and Ivanov, Alexander and Smith, Michael and Taylor, Robert and Vass, Stephen and Varvella, Monica and Kawamura, Seiji and Kawazoe, Fumiko and Sakata, Shihori and Mow-Lowry, Conor and Weinstein, Alan J. (2006) Measurement of optical response of a detuned resonant sideband extraction gravitational wave detector. Physical Review D, 74 (2). Art. No. 022001. ISSN 2470-0010. doi:10.1103/PhysRevD.74.022001.

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We report on the optical response of a suspended-mass detuned resonant sideband extraction (RSE) interferometer with power recycling. The purpose of the detuned RSE configuration is to manipulate and optimize the optical response of the interferometer to differential displacements (induced by gravitational waves) as a function of frequency, independently of other parameters of the interferometer. The design of our interferometer results in an optical gain with two peaks: an RSE optical resonance at around 4 kHz and a radiation pressure induced optical spring at around 41 Hz. We have developed a reliable procedure for acquiring lock and establishing the desired optical configuration. In this configuration, we have measured the optical response to differential displacement and found good agreement with predictions at both resonances and all other relevant frequencies. These results build confidence in both the theory and practical implementation of the more complex optical configuration being planned for Advanced LIGO.

Item Type:Article
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URLURL TypeDescription
Adhikari, Rana X.0000-0002-5731-5076
Smith, Michael0000-0002-3321-1432
Weinstein, Alan J.0000-0002-0928-6784
Additional Information:©2006 The American Physical Society. Received 25 April 2006; published 6 July 2006. This work is supported by the National Science Foundation cooperative agreement No. PHY0107417. This document has been assigned LIGO Laboratory document number LIGO-P060007-02-R. We thank the many members of the LIGO Laboratory, the LIGO Scientific Collaboration, and many valuable visitors to the 40 m lab, for their invaluable contributions.
Subject Keywords:gravitational wave detectors; gravitational waves; light interferometry
Issue or Number:2
Record Number:CaltechAUTHORS:MIYprd06
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5072
Deposited By: Lindsay Cleary
Deposited On:28 Sep 2006
Last Modified:08 Nov 2021 20:22

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