Advanced Ligo Laser Systems For O3 And Future Observation Runs

Nina Bode,Joseph Briggs,Xu Chen,Maik Frede,Peter Fritschel,Michael Fyffe,Eric Gustafson,Matthew Heintze,Peter King,Jian Liu,Jason Oberling,Richard L. Savage,Andrew Spencer,Benno Willke

GALAXIES（2020）

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摘要

The advanced LIGO gravitational wave detectors need high power laser sources with excellent beam quality and low-noise behavior. We present a pre-stabilized laser system with 70 W of output power that was used in the third observing run of the advanced LIGO detectors. Furthermore, the prototype of a 140 W pre-stabilized laser system for future use in the LIGO observatories is described and characterized.

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关键词

gravitational wave detector, pre-stabilized laser system, solid state amplifier, laser amplifier, laser noise, pre-modecleaner

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