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. [References: 13]
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