Alignment locking to suspended Fabry-Perot cavity
Date
Authors
Slagmolen, Bram
Barton, Mark
Mow-Lowry, C.
De Vine, Glenn
Rabeling, David
Chow, Jong
Romann, Albert
Zhao, Chunnong
Gray, Malcolm
McClelland, David
Journal Title
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Volume Title
Publisher
Kluwer Academic Publishers
Abstract
In this paper we report on the alignment locking of an in vacuum 77 m long suspended mirror Fabry-Perot cavity. Lock was achieved by mode-matching a 500 mW Nd:YAG NPRO onto a pre-mode cleaner, the output of which was then mode-matched to the suspended cavity. The longitudinal locking was achieved by feeding back to the laser frequency actuator to follow the cavity resonance. Subsequent implementation of a hybrid auto-alignment system enhanced the stability of the circulating power inside the cavity. Preliminary results are presented.
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Source
General Relativity and Gravitation
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Book Title
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Restricted until
2037-12-31