Characterization and Long-Term Operation of a 200 W Single-Frequency Fiber Amplifier for Gravitational Wave Detectors

Felix Wellmann,Michael Steinke,Fabian Meylahn,Nina Bode,Benno Willke,Ludger Overmeyer,Peter Weßels,Jörg Neumann,Dietmar Kracht

Characterization and Long-Term Operation of a 200 W Single-Frequency Fiber Amplifier for Gravitational Wave Detectors

2019

Felix Wellmann
Michael Steinke
Fabian Meylahn
Nina Bode
Benno Willke
Ludger Overmeyer
Peter Weßels
Jörg Neumann
Dietmar Kracht

We developed and operated a 200 W single-frequency fiber amplifier at 1064 nm for > 695h. We observed no signs of stimulated Brillouin scattering. Excellent noise properties and a TEM00-mode content of 94.8 % were demonstrated.

Keywords:

Detector
Brillouin scattering
Optics
Physics
Fiber
Gravitational wave
Amplifier
fiber amplifier

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