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  The GEO 600 laser system

Zawischa, I., Brendel, M., Danzmann, K., Fallnich, C., Heurs, M., Nagano, S., et al. (2002). The GEO 600 laser system. Classical and Quantum Gravity, 19(7), 1775-1781. doi:10.1088/0264-9381/19/7/374.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-53B3-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-53B4-2
Genre: Journal Article

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 Creators:
Zawischa, I., Author
Brendel, Martina, Author
Danzmann, Karsten1, Author              
Fallnich, Carsten, Author
Heurs, Michele, Author
Nagano, S.1, 2, Author
Quetschke, Volker, Author
Welling, H., Author
Willke, Benno1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              

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 Abstract: Interferometric gravitational wave detectors require high optical power, single frequency lasers with very good beam quality and high amplitude and frequency stability as well as high long-term reliability as input light source. For GEO 600 a laser system with these properties is realized by a stable planar, longitudinally pumped 12 W Nd:YAG rod laser which is injection-locked to a monolithic 800 mW Nd:YAG non-planar ring oscillator. Frequency control signals from the mode cleaners are fed to the actuators of the non-planar ring oscillator which determines the frequency stability of the system. The system power stabilization acts on the slave laser pump diodes which have the largest influence on the output power. In order to gain more output power, a combined Nd:YAGNd:YVO4 system is scaled to more than 22 W.

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Language(s): eng - English
 Dates: 2002-04-07
 Publication Status: Published in print
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 Identifiers: eDoc: 3423
DOI: 10.1088/0264-9381/19/7/374
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 19 (7) Sequence Number: - Start / End Page: 1775 - 1781 Identifier: ISSN: 0264-9381