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

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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: Issued
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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: https://pure.mpg.de/cone/journals/resource/111097776606042