The modecleaner system and suspension aspects of GEO 600

Gossler, S. et al. (2002) The modecleaner system and suspension aspects of GEO 600. Classical and Quantum Gravity, 19(7), 1835 -1842. (doi:10.1088/0264-9381/19/7/382)

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Publisher's URL: http://dx.doi.org/10.1088/0264-9381/19/7/382

Abstract

GEO 600 uses two 8 m triangular ring cavities as a modecleaner system for the stabilization of the laser. To isolate the cavities with respect to the seismic noise the optical components are suspended as double pendulums. The resonances of these pendulums are damped by a local-control loop via magnet- coil actuators acting on the intermediate masses. The suspension scheme and the measured key data (i.e. finesse, linewidth, visibility, throughput and in-lock durations of the cavities, as well as the isolation performance and the resulting frequency stability) of the modecleaner system will be given in this paper. Furthermore an overview of the GEO 600 interferometer suspension will be given.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Casey, Dr Morag and Robertson, Professor Norna and Robertson, Dr David and Plissi, Dr Michael and Hough, Professor James and Ward, Professor Henry and Torrie, Dr Calum and Strain, Professor Kenneth and Skeldon, Dr Kenneth
Authors: Gossler, S., Casey, M., Freise, A., Grote, H., Luck, H., McNamara, P., Plissi, M., Robertson, D., Robertson, N., Skeldon, K., Strain, K., Torrie, C., Ward, H., Willke, B., Hough, J., and Danzmann, K.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Classical and Quantum Gravity
ISSN:0264-9381
ISSN (Online):1361-6382

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