Small optic suspensions for Advanced LIGO input optics and other precision optical experiments

Creators: Ciani, G.; Arain, M. A.; Aston, S. M.; Feldbaum, D.; Fulda, P.; Gleason, J.; Heintze, M.; Martin, R. M.; Mueller, C. L.; Kumar, D. M. Nanda; Pele, A.; Reitze, D. H.; Sainathan, P.; Tanner, D. B.; Williams, L. F.; Mueller, G.

Abstract

We report on the design and performance of small optic suspensions developed to suppress seismic motion of out-of-cavity optics in the input optics subsystem of the Advanced Laser Interferometer Gravitational Wave Observatory. These compact single stage suspensions provide isolation in all six degrees of freedom of the optic, local sensing and actuation in three of them, and passive damping for the other three.

Additional Information

© 2016 Published by AIP Publishing. Received 29 June 2016; accepted 31 October 2016; published online 30 November 2016. The work presented in this paper has been supported by NSF Grant Nos. PHY-0855313 and PHY-0969935 and by a subcontract stipulated with the LIGO Laboratory.

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