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Proceedings Paper

Highly stable fiber lasers for satellite-based gravitational measurements
Author(s): O. Fitzau; P. Betz; P. Cebeci; M. Giesberts; H.-D. Hoffmann; M. Schiemangk; A. Wicht; J. Sanjuan; K. Dahl; S. Amairi Pyka; E. Kovalchuk; A. Peters
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Paper Abstract

For studies of the European Space Agency ESA, Fraunhofer ILT develops and builds narrowband, power-stabilized fundamental mode fiber amplifiers especially for future space-based gravitational-wave detectors, e.g. LISA, and for Earth gravity field missions. In this paper, we present the status of our ongoing work, based on a highly stable fiber amplifier designed for a Next Generation Gravity field Mission (NGGM) pre-study, towards power scaling as well as enhancement of the Technology Readiness Level (TRL). Our amplifier has already demonstrated to meet the requirements for future gravity field missions. It features a design that is free of stimulated Brillouin scattering (SBS) and a feedback loop for power stabilization.

Paper Details

Date Published: 7 March 2019
PDF: 11 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108972H (7 March 2019); doi: 10.1117/12.2509950
Show Author Affiliations
O. Fitzau, Fraunhofer-Institut für Lasertechnik (Germany)
P. Betz, Fraunhofer-Institut für Lasertechnik (Germany)
P. Cebeci, Fraunhofer-Institut für Lasertechnik (Germany)
M. Giesberts, Fraunhofer-Institut für Lasertechnik (Germany)
H.-D. Hoffmann, Fraunhofer-Institut für Lasertechnik (Germany)
M. Schiemangk, Ferdinand-Braun-Institut (Germany)
A. Wicht, Ferdinand-Braun-Institut (Germany)
J. Sanjuan, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
K. Dahl, SpaceTech GmbH (Germany)
S. Amairi Pyka, Humboldt-Univ. zu Berlin (Germany)
E. Kovalchuk, Humboldt-Univ. zu Berlin (Germany)
A. Peters, Humboldt-Univ. zu Berlin (Germany)

Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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