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

Originalpublikation

Prijatelj, M.; Grote, H.; Degallaix, J.; Hewitson, M.; Hild, S. et al.: Control and automatic alignment of the output mode cleaner of GEO 600. In: Journal of Physics: Conference Series 228 (2010), 12014. DOI: https://doi.org/10.1088/1742-6596/228/1/012014

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Zusammenfassung:
The implementation of a mode cleaner at the output port of the GEO 600 gravitational wave detector will be part of the upcoming transition from GEO 600 to GEO-HF. 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.
Lizenzbestimmungen: CC BY 3.0 - https://creativecommons.org/licenses/by/3.0/
Publikationstyp: article
Publikationsstatus: publishedVersion
Erstveröffentlichung: 2010
Schlagworte (deutsch): Gravitationswelle
Schlagworte (englisch): Automatic alignment, GEO 600, Gravitational wave detectors, Higher order, Noise source, Optical modes, Optimum performance, Output beam, Output ports, Simulated performance, Control systems, Gravitational effects, Remote control, Gravity waves
Fachliche Zuordnung (DDC): 530 | Physik

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