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Proceedings Paper

High stability single-frequency Yb fiber amplifier for next generation gravity missions
Author(s): M. Herper; Oliver Fitzau; M. Giesberts; K. Nicklaus; G. P. Barwood; R. A. Williams; P. Gill; H. Koegel; H.-D. Hoffmann
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Paper Abstract

In scope of the ESA funded “High stability Laser” activity, a single-mode and single-frequency fiber power amplifier with 500 mW output power at 1064 nm wavelength has been developed. It is part of an elegant breadboard (EBB) which consists additionally of an ultra-stable Fabry-Perot reference for frequency stabilization. The monolithic fiber amplifier is seeded by a non-planar ring oscillator (NPRO) with a linewidth below 10 kHz. The amplifier is stabilized in power via pump diode modulation and achieves a RIN performance of < 0.01/sqrt(Hz) in the range from 10-3 Hz to 10 Hz and a polarization extinction ratio of >30 dB.

Paper Details

Date Published: 4 March 2015
PDF: 8 pages
Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440B (4 March 2015); doi: 10.1117/12.2077400
Show Author Affiliations
M. Herper, Fraunhofer-Institut für Lasertechnik (Germany)
Oliver Fitzau, Fraunhofer-Institut für Lasertechnik (Germany)
M. Giesberts, Fraunhofer-Institut für Lasertechnik (Germany)
K. Nicklaus, SpaceTech GmbH (Germany)
G. P. Barwood, National Physical Lab. (United Kingdom)
R. A. Williams, National Physical Lab. (United Kingdom)
P. Gill, National Physical Lab. (United Kingdom)
H. Koegel, Airbus Defence and Space (Germany)
H.-D. Hoffmann, Fraunhofer-Institut für Lasertechnik (Germany)

Published in SPIE Proceedings Vol. 9344:
Fiber Lasers XII: Technology, Systems, and Applications
L. Brandon Shaw, Editor(s)

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