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  Interferometers for Displacement-Noise-Free Gravitational-Wave Detection

Chen, Y., Pai, A., Somiya, K., Kawamura, S., Sato, S., Kokeyama, K., et al. (2007). Interferometers for Displacement-Noise-Free Gravitational-Wave Detection. Physical Review Letters, 97: 151103. Retrieved from http://link.aps.org/abstract/PRL/v97/e151103.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-49F0-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-49F2-1
Genre: Journal Article

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 Creators:
Chen, Yanbei1, Author              
Pai, Archana2, Author
Somiya, Kentaro3, Author              
Kawamura, Seiji, Author
Sato, Shuichi, Author
Kokeyama, Keiko, Author
Ward, Robert L., Author
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              
2Theoretical Gravitational Wave Physics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24015              
3Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: We propose a class of displacement- and laser-noise free gravitational-wave-interferometer configurations, which does not sense non-geodesic mirror motions and laser noises, but provides non-vanishing gravitational-wave signal. Our interferometer consists of 4 mirrors and 2 beamsplitters, which form 4 Mach-Zehnder interferometers. By contrast to previous works, no composite mirrors are required. Each mirror in our configuration is sensed redundantly, by at least two pairs of incident and reflected beams. Displacement- and laser-noise free detection is achieved when output signals from these 4 interferometers are combined appropriately. Our 3-dimensional interferometer configuration has a low-frequency response proportional to f^2, which is better than the f^3 achievable by previous 2-dimensional configurations.

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 Dates: 2007
 Publication Status: Published in print
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 Identifiers: eDoc: 320000
Other: arXiv:gr-qc/0603054v2
URI: http://link.aps.org/abstract/PRL/v97/e151103
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 97 Sequence Number: 151103 Start / End Page: - Identifier: -