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Explanation of stimulated Raman scattering in high power fiber systems
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Paper Abstract

We present investigations on the seed source dependence of stimulated Raman scattering (SRS) created in a high power fiber amplifier. It is shown that fiber oscillators are much worse in terms of SRS than other seed sources. The longitudinal mode composition was found to be of less importance. We reinforce the experimental observations by a numerical investigation, which shows that temporal power variations on the ps-scale and their propagation along the fiber are crucial for the SRS creation in high-power fiber systems, extending the well-known but simplified SRS threshold description.

Paper Details

Date Published: 26 February 2018
PDF: 7 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121F (26 February 2018); doi: 10.1117/12.2287770
Show Author Affiliations
Victor Bock, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Friedrich-Schiller-Univ. Jena (Germany)
Andreas Liem, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Thomas Schreiber, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Ramona Eberhardt, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Andreas Tünnermann, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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