Explanation of stimulated Raman scattering in high power fiber systems

Victor Bock; Andreas Liem; Thomas Schreiber; Ramona Eberhardt; Andreas Tünnermann

doi:10.1117/12.2287770

26 February 2018 Explanation of stimulated Raman scattering in high power fiber systems

Victor Bock, Andreas Liem, Thomas Schreiber, Ramona Eberhardt, Andreas Tünnermann

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105121F (2018) https://doi.org/10.1117/12.2287770
Event: SPIE LASE, 2018, San Francisco, California, United States

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.

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Victor Bock, Andreas Liem, Thomas Schreiber, Ramona Eberhardt, and Andreas Tünnermann "Explanation of stimulated Raman scattering in high power fiber systems", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121F (26 February 2018); https://doi.org/10.1117/12.2287770

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