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Design and prototype tests of a seismic attenuation system for the advanced-LIGO output mode cleaner

Bertolini, A. and DeSalvo, R. and Galli, C. and Gennaro, G. and Mantovani, M. and Márka, S. and Sannibale, V. and Takamori, A. and Torrie, C. (2006) Design and prototype tests of a seismic attenuation system for the advanced-LIGO output mode cleaner. Classical and Quantum Gravity, 23 (8). S111-S118. ISSN 0264-9381. https://resolver.caltech.edu/CaltechAUTHORS:20090917-091503540

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Abstract

Abstract. Both present LIGO and advanced LIGO (Ad-LIGO) will need an output mode cleaner (OMC) to reach the desired sensitivity. We designed a suitable OMC seismically attenuated optical table fitting to the existing vacuum chambers (horizontal access module, HAM chambers). The most straightforward and cost-effective solution satisfying the Ad-LIGO seismic attenuation specifications was to implement a single passive seismic attenuation stage, derived from the 'seismic attenuation system' (SAS) concept. We built and tested prototypes of all critical components. On the basis of these tests and past experience, we expect that the passive attenuation performance of this new design, called HAM-SAS, will match all requirements for the LIGO OMC, and all Ad-LIGO optical tables. Its performance can be improved, if necessary, by implementation of a simple active attenuation loop at marginal additional cost. The design can be easily modified to equip the LIGO basic symmetric chamber (BSC) chambers and leaves space for extensive performance upgrades for future evolutions of Ad-LIGO. Design parameters and prototype test results are presented.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0264-9381/23/8/S15DOIUNSPECIFIED
http://www.iop.org/EJ/abstract/0264-9381/23/8/S15/PublisherUNSPECIFIED
http://stacks.iop.org/CQG/23/S111PublisherUNSPECIFIED
Additional Information:Copyright © Institute of Physics and IOP Publishing Limited 2006. Received 6 September 2005, in final form 9 November 2005. Published 24 March 2006. Print publication: Issue 8 (21 April 2006). The LIGO observatories were constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation under Cooperative Agreement PHY-0107417.
Funders:
Funding AgencyGrant Number
NSFPHY-0107417
Subject Keywords:PACS numbers: 95.55.Ym, 95.85.Sz
Issue or Number:8
Record Number:CaltechAUTHORS:20090917-091503540
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20090917-091503540
Official Citation:Design and prototype tests of a seismic attenuation system for the advanced-LIGO output mode cleaner A Bertolini, R DeSalvo, C Galli, G Gennaro, M Mantovani, S Márka, V Sannibale, A Takamori and C Torrie 2006 Class. Quantum Grav. 23 S111-S118 doi: 10.1088/0264-9381/23/8/S15
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:15900
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:29 Sep 2009 21:18
Last Modified:03 Oct 2019 01:04

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