Investigation of a 10 MHz, non-steady state cavity for pulse energy enhancement of ultrafast fiber lasers

Sven Breitkopf; Stefano Wunderlich; Tino Eidam; Evgeny Shestaev; Thomas Gottschall; Henning Carstens; Simon Holzberger; Ioachim Pupeza; Jens Limpert; Andreas Tünnermann

doi:10.1117/12.2212442

11 March 2016 Investigation of a 10 MHz, non-steady state cavity for pulse energy enhancement of ultrafast fiber lasers

Sven Breitkopf, Stefano Wunderlich, Tino Eidam, Evgeny Shestaev, Thomas Gottschall, Henning Carstens, Simon Holzberger, Ioachim Pupeza, Jens Limpert, Andreas Tünnermann

Author Affiliations +

Proceedings Volume 9728, Fiber Lasers XIII: Technology, Systems, and Applications; 97282W (2016) https://doi.org/10.1117/12.2212442
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

Here, we present a passive 30-m long enhancement cavity that supports a steady-state enhancement of 198, which is the highest enhancement that has ever been reached in such a long cavity. Furthermore, we demonstrate the extraction of a short burst with a total energy of 53.6 μJ employing an acousto-optic modulator (AOM) as a switching device. The cavity was seeded with pulses of 1.49 μJ energy at 10 MHz repetition rate. The individual output coupled pulses showed an energy enhancement of up to 8.5 while the whole burst contained the entire energy of 36 input pulses. In the last section theoretical considerations for the single pulse extraction are presented and briefly discussed.

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Sven Breitkopf, Stefano Wunderlich, Tino Eidam, Evgeny Shestaev, Thomas Gottschall, Henning Carstens, Simon Holzberger, Ioachim Pupeza, Jens Limpert, and Andreas Tünnermann "Investigation of a 10 MHz, non-steady state cavity for pulse energy enhancement of ultrafast fiber lasers", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97282W (11 March 2016); https://doi.org/10.1117/12.2212442

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