The measurement of the finesse and the longitudinal locking of a 100 mu m long plane mirrors Fabry-Perot cavity is described. a finesse of up to 5400 has been found. If attached to the Virgo antenna suspension (SA), a similar device is sensitive enough to detect the thermal displacement noise of the SA test mass, which is expected to limit the Virgo antenna sensitivity between 10 and 600 Hz. Reducing the Virgo noise floor is a challenge for future antenna development, as this region is the most promising one for coalescing binary stars and pulsar signals. (C) 1998 Elsevier Science B.V.
Plane parallel mirrors Fabry-Perot cavity to improve Virgo superattenuators
FIDECARO, FRANCESCO;POGGIANI, ROSA;
1998-01-01
Abstract
The measurement of the finesse and the longitudinal locking of a 100 mu m long plane mirrors Fabry-Perot cavity is described. a finesse of up to 5400 has been found. If attached to the Virgo antenna suspension (SA), a similar device is sensitive enough to detect the thermal displacement noise of the SA test mass, which is expected to limit the Virgo antenna sensitivity between 10 and 600 Hz. Reducing the Virgo noise floor is a challenge for future antenna development, as this region is the most promising one for coalescing binary stars and pulsar signals. (C) 1998 Elsevier Science B.V.File in questo prodotto:
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