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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Article number84
Pages (from-to)1-13
Number of pages13
JournalGalaxies
Volume8
Issue number4
DOIs
Publication statusPublished - Dec 2020

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