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

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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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