Technologies for Monolithic Suspensions

Details Technologies for Monolithic Suspensions Technologies for Monolithic Suspensions

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet.1849r&link_type=abstract

"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R

Physics

Scientific paper

Despite recent work 1 showing that thermo-elastic damping in bulk sapphire is expected to produce a higher level of thermal noise at low frequencies than previously predicted using loss measurements made at several 10's of kHz 2,3, for typical designs of advanced interferometers thermal noise from sapphire test masses can still be lower than that expected from fused silica over portions of the frequency range relevant for gravitational wave detection 4. For this to be the case, excess mechanical losses associated with suspending the test masses or coating them as mirrors must be suitably low.

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