LIGO Document G1300950-v1

Length sensing and control of the Caltech 40m prototype

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G - Presentations (eg Graphics)
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The Caltech 40m laser interferometer is the control prototype of the Advanced LIGO (aLIGO) interferometers. The current missions of the 40m are to prototype the optical configuration and controls of aLIGO and to develop interferometer diagnostic techniques. This poster describes the features of the length sensing and control (LSC) system that is designed to realize the longitudinal feedback control of the dual-recycled Fabry-Perot Michelson interferometer.
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