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  Optimal time-domain combination of the two calibrated output quadratures of GEO 600

Hewitson, M., Grote, H., Hild, S., Lück, H., Ajith, P., Smith, J. R., et al. (2005). Optimal time-domain combination of the two calibrated output quadratures of GEO 600. Classical and Quantum Gravity, 22(20), 4253-4261.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4DBC-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4DBE-A
Genre: Journal Article

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 Creators:
Hewitson, Martin1, Author              
Grote, Hartmut2, Author              
Hild, Stefan2, Author              
Lück, Harald2, Author              
Ajith, P.1, 2, 3, Author
Smith, J. R.1, 2, 3, Author
Strain, Kenneth A.2, Author              
Willke, Benno2, Author              
Woan, G., Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
3AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              

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 Abstract: GEO 600 is an interferometric gravitational wave detector with a 600 m arm-length and which uses a dual-recycled optical configuration to give enhanced sensitivity over certain frequencies in the detection band. Due to the dual-recycling, GEO 600 has two main output signals, both of which potentially contain gravitational wave signals. These two outputs are calibrated to strain using a time-domain method. In order to simplify the analysis of the GEO 600 data set, it is desirable to combine these two calibrated outputs to form a single strain signal that has optimal signal-to-noise ratio across the detection band. This paper describes a time-domain method for doing this combination. The method presented is similar to one developed for optimally combining the outputs of two colocated gravitational wave detectors. In the scheme presented in this paper, some simplifications are made to allow its implementation using time-domain methods.

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Language(s): eng - English
 Dates: 2005-10-21
 Publication Status: Published in print
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 Identifiers: eDoc: 251032
ISI: 000233329500008
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Title: Classical and Quantum Gravity
  Alternative Title : Class. Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 22 (20) Sequence Number: - Start / End Page: 4253 - 4261 Identifier: ISSN: 0264-9381