Active control of a balanced two-stage pendulum vibration isolation system and its application to laser interferometric gravity wave detectors

Veitch, P. J. and Robertson, N. A. and Cantley, C. A. and Hough, J. (1993) Active control of a balanced two-stage pendulum vibration isolation system and its application to laser interferometric gravity wave detectors. Review of Scientific Instruments, 64 (5). pp. 1330-1336. ISSN 1089-7623 (https://doi.org/10.1063/1.1144088)

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Abstract

The investigation of the servo control of the position of the bottom mass in a balanced two-stage pendulum vibration isolation system is reported. Experimental results for a simple prototype system and predictions based on a model presented in this paper are in good agreement. The application of such a system to a high-sensitivity laser interferometric gravity wave detector is discussed.

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