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Stabilized lasers for advanced gravitational wave detectors

Willke, B. and Danzmann, K. and Frede, M. and King, P. and Kracht, D. and Kwee, P. K. and Puncken, O. and Savage, R. L., Jr. and Schulz, B. and Seifert, F. and Veltkamp, C. and Wagner, S. and Weßels, P. and Winkelmann, L. (2008) Stabilized lasers for advanced gravitational wave detectors. Classical and Quantum Gravity, 25 (11). Art. No. 114040. ISSN 0264-9381. http://resolver.caltech.edu/CaltechAUTHORS:WILcqg08

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Abstract

Second generation gravitational wave detectors require high power lasers with more than 100 W of output power and with very low temporal and spatial fluctuations. To achieve the demanding stability levels required, low noise techniques and adequate control actuators have to be part of the high power laser design. In addition feedback control and passive noise filtering is used to reduce the fluctuations in the so-called prestabilized laser system (PSL). In this paper, we discuss the design of a 200 W PSL which is under development for the Advanced LIGO gravitational wave detector and will present the first results. The PSL noise requirements for advanced gravitational wave detectors will be discussed in general and the stabilization scheme proposed for the Advanced LIGO PSL will be described.


Item Type:Article
Additional Information:Copyright © Institute of Physics and IOP Publishing Limited 2008. Received 4 November 2007, in final form 11 December 2007. Published 15 May 2008. Print publication: Issue 11 (7 June 2008). The authors are grateful for support from the German Volkswagen Stiftung and from the United States National Science Foundation under contract number PHY-0107417. INVITED AMALDI TALK. Special issue: Proceedings of the 18th International Conference on General Relativity and Gravitation (GRG18) and 7th Edoardo Amaldi Conference on Gravitational Waves (Amaldi7), Sydney, Australia, July 2007 http://www.iop.org/EJ/toc/0264-9381/25/11
Issue or Number:11
Record Number:CaltechAUTHORS:WILcqg08
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:WILcqg08
Alternative URL:http://dx.doi.org/10.1088/0264-9381/25/11/114040
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10562
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:17 May 2008
Last Modified:29 Apr 2014 18:31

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