The low frequency facility is a VIRGO R&D experiment having the goal of performing a direct measurement of the thermal noise of the VIRGO suspensions by means of a two-mirror Fabry-Perot cavity suspended to the last stage of the attenuating chain. The present status of advancement of this experiment is reported: the apparatus, including mechanical and optical parts, has been completely built and put into operation. Vacuum facilities and the first control loops are active, First measurements on the suspended cavity are in progress.
Status of the low frequency facility experiment
Porzio A;Ricciardi I;
2002
Abstract
The low frequency facility is a VIRGO R&D experiment having the goal of performing a direct measurement of the thermal noise of the VIRGO suspensions by means of a two-mirror Fabry-Perot cavity suspended to the last stage of the attenuating chain. The present status of advancement of this experiment is reported: the apparatus, including mechanical and optical parts, has been completely built and put into operation. Vacuum facilities and the first control loops are active, First measurements on the suspended cavity are in progress.File in questo prodotto:
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