Electrostatic systems for fine control of mirror orientation in interferometric GW antennas

Year: 1998

Authors: Grasso S., Altucci C., Barone F., Ragozzino V., Solimeno S., Pham-Tu, Vinetd J.-Y., Abbate R.

Autors Affiliation: Dipartimento Scienze Fisiche, Università “Federico II”, Naples, Italy;
I.N.F.N., Sezione Napoli, Naples, Italy;
I.N.F.M., Sezione Napoli, Naples, Italy;
Laser Group, Orsay, France;
Istituto Nazionale di Ottica, Sezione Napoli, Naples, Italy

Abstract: In this Letter we analyze a multistrip electrostatic device developing forces of the order of 1 mN on a dielectric mirror. Such a device has been developed for controlling the orientation of suspended mirrors in long baseline interferometers used for detecting gravitational waves. The dependence of the force on the distance mirror-multistrip has been measured and the fitting with the computed value has been satisfactory in the range 0.5-3 mm. (C) 1998 Published by Elsevier Science B.V.

Journal/Review: PHYSICS LETTERS A

Volume: 244 (5)      Pages from: 360  to: 370

KeyWords: interferometer
DOI: 10.1016/S0375-9601(98)00304-1

Citations: 10
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