High stability single-frequency Yb fiber amplifier for next generation gravity missions

M. Herper; Oliver Fitzau; M. Giesberts; K. Nicklaus; G. P. Barwood; R. A. Williams; P. Gill; H. Koegel; H.-D. Hoffmann

doi:10.1117/12.2077400

4 March 2015 High stability single-frequency Yb fiber amplifier for next generation gravity missions

M. Herper, Oliver Fitzau, M. Giesberts, K. Nicklaus, G. P. Barwood, R. A. Williams, P. Gill, H. Koegel, H.-D. Hoffmann

Author Affiliations +

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93440B (2015) https://doi.org/10.1117/12.2077400
Event: SPIE LASE, 2015, San Francisco, California, United States

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.

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M. Herper, Oliver Fitzau, M. Giesberts, K. Nicklaus, G. P. Barwood, R. A. Williams, P. Gill, H. Koegel, and H.-D. Hoffmann "High stability single-frequency Yb fiber amplifier for next generation gravity missions", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440B (4 March 2015); https://doi.org/10.1117/12.2077400

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