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  Control and automatic alignment of the output mode cleaner of GEO 600

Prijatelj, M., Grote, H., Degallaix, J., Hewitson, M., Hild, S., Affeldt, C., et al. (2010). Control and automatic alignment of the output mode cleaner of GEO 600. Journal of Physics: Conference Series, 228(1): 012014.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B05F-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B060-D
Genre: Conference Paper

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JoPCS228_012014.pdf (Any fulltext), 567KB
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 Creators:
Prijatelj, M.1, Author              
Grote, H.1, Author              
Degallaix, J.1, Author              
Hewitson, M.2, Author              
Hild, S.1, Author              
Affeldt, C.1, Author              
Freise, A.3, Author              
Leong, J.2, Author              
Lück, H.1, Author              
Strain, K. A.1, Author              
Wittel, H.1, Author              
Willke, B.1, Author              
Danzmann, K.1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
3Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445566              

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 Abstract: The implementation of a mode cleaner at the output port of the GEO600 gravitational wave detector will be part of the upcoming transition from GEO600 to GEOHF. Part of the transition will be the move from a heterodyne readout to a DC readout scheme. DC readout performance will be limited by higher order optical modes and control sidebands present at the output port. For optimum performance of DC readout an output mode cleaner (OMC) will clean the output beam of these contributions. Inclusion of an OMC will introduce new noise sources whose magnitudes needed to be estimated and for which new control systems will be needed. In this article we set requirements on the performance of these control systems and investigate the simulated performance of different designs.

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 Dates: 2010
 Publication Status: Published in print
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 Identifiers: DOI: 10.1088/1742-6596/228/1/012014
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Title: 8th Edoardo Amaldi Conference on Gravitational Waves
Place of Event: Columbia University, New York, USA
Start-/End Date: 2009-06-21 - 2009-06-26

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Title: Journal of Physics: Conference Series
Source Genre: Journal
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Publ. Info: Bristol : IOP Publ.
Pages: - Volume / Issue: 228 (1) Sequence Number: 012014 Start / End Page: - Identifier: ISSN: 1742-6588
CoNE: /journals/resource/111097776606042