Passive mitigation of mode instabilities

C. Jauregui; H.-J. Otto; F. Stutzki; F. Jansen; J. Limpert; A. Tünnermann

doi:10.1117/12.2036716

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12 March 2014 Passive mitigation of mode instabilities

C. Jauregui, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, A. Tünnermann

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Proceedings Volume 8961, Fiber Lasers XI: Technology, Systems, and Applications; 896128 (2014) https://doi.org/10.1117/12.2036716
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

The phenomenon of mode instabilities has quickly become the most limiting effect for a further scaling of the average power of fiber laser systems. Consequently it is of great importance to find solutions for this problem. In this work we propose two concrete possible passive mitigation strategies: the first one is based on the reduction of the heat load in the fiber, whereas the second one is based on the reduction of the pump absorption. In both cases a significant increase of the threshold is expected.

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C. Jauregui, H.-J. Otto, F. Stutzki, F. Jansen, J. Limpert, and A. Tünnermann "Passive mitigation of mode instabilities", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 896128 (12 March 2014); https://doi.org/10.1117/12.2036716

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