Pulse-burst Er:glass laser

Vladimir V. Vitkin; Olga S. Dymshits; Vadim M. Polyakov; Alexander A. Zhilin; Darya V. Shemchuk; Alexandr A. Krylov; Alexander V. Uskov; Andrey A. Mak; Anton V. Kovalev

doi:10.1117/12.2252107

17 February 2017 Pulse-burst Er:glass laser

Vladimir V. Vitkin, Olga S. Dymshits, Vadim M. Polyakov, Alexander A. Zhilin, Darya V. Shemchuk, Alexandr A. Krylov, Alexander V. Uskov, Andrey A. Mak, Anton V. Kovalev

Author Affiliations +

Proceedings Volume 10082, Solid State Lasers XXVI: Technology and Devices; 1008224 (2017) https://doi.org/10.1117/12.2252107
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

We demonstrate a pulse-bursting phenomenon in Yb:Er glass laser operating at 1.54 μm. Glass-ceramic material with a low value of saturation threshold based on Co²⁺:β-ZnSiO₄ nanocrystals was used as a passive gate for pulse-burst operation. The bursts of pulses were 1.5 ms long, each burst consisted of 40-55 pulses with 9-30 μJ energy per pulse and 0.2-3 μs pulse width. Bursting outputs arise via a coupling between slow switching arising via a slow pump modulation and fast pulsations resulting from Q-switch mechanism. We show that absorption cross-section strongly affects the mode of laser operation ranging from relaxation oscillations corresponding to low cross-section values to bursting and conventional Q-switch operation in the case of their higher values.

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Vladimir V. Vitkin, Olga S. Dymshits, Vadim M. Polyakov, Alexander A. Zhilin, Darya V. Shemchuk, Alexandr A. Krylov, Alexander V. Uskov, Andrey A. Mak, and Anton V. Kovalev "Pulse-burst Er:glass laser", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 1008224 (17 February 2017); https://doi.org/10.1117/12.2252107

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