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  Laser-interferometer gravitational-wave optical-spring detectors

Buonanno, A., & Chen, Y. (2002). Laser-interferometer gravitational-wave optical-spring detectors. Classical and Quantum Gravity, 19 (7), 1569-1574. doi:10.1088/0264-9381/19/7/346.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-DC30-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-DC31-4
Genre: Journal Article

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 Creators:
Buonanno, Alessandra1, 2, Author              
Chen, Yanbei, Author
Affiliations:
1Theoretical Astrophysics and Relativity Group, California Institute of Technology, Pasadena, escidoc:persistent22              
2Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: Using a quantum mechanical approach, we show that in a gravitational-wave interferometer composed of arm cavities and a signal recycling cavity, e.g., the LIGO-II configuration, the radiation-pressure force acting on the mirrors not only disturbs the motion of the free masses randomly due to quantum fluctuations, but also and more fundamentally, makes them respond to forces as though they were connected to an (optical) spring with a specific rigidity. This oscillatory response gives rise to a much richer dynamics than previously known, which enhances the possibilities for reshaping the LIGO-II's noise curves. However, the optical-mechanical system is dynamically unstable and an appropriate control system must be introduced to quench the instability.

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 Dates: 2002-01-182002-04-102002
 Publication Status: Published in print
 Pages: 7 pages, 3 figures; to appear in the Proceedings of 4th Edoardo Amaldi Conference on Gravitational Waves, Perth, Australia, 8-13 July 2001
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 Identifiers: arXiv: gr-qc/0201063
DOI: 10.1088/0264-9381/19/7/346
URI: http://arxiv.org/abs/gr-qc/0201063
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 19 (7) Sequence Number: - Start / End Page: 1569 - 1574 Identifier: -