The modecleaner system and suspension aspects of GEO 600

Gossler, Stefan; Casey, Morag M.; Freise, Andreas; Grote, Hartmut; Lück, Harald; McNamara, P. W.; Plissi, M. V.; Robertson, D. I.; Robertson, N. A.; Skeldon, K. D.; Strain, Kenneth A.; Torrie, C. I.; Ward, H.; Willke, Benno; Hough, Jim; Danzmann, Karsten

doi:10.1088/0264-9381/19/7/382

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The modecleaner system and suspension aspects of GEO 600

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Gossler, Stefan
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40456

Grote, Hartmut
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40475

Lück, Harald
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Willke, Benno
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann, Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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引用

Gossler, S., Casey, M. M., Freise, A., Grote, H., Lück, H., McNamara, P. W., Plissi, M. V., Robertson, D. I., Robertson, N. A., Skeldon, K. D., Strain, K. A., Torrie, C. I., Ward, H., Willke, B., Hough, J., & Danzmann, K. (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.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-53B6-D

要旨

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 give