This article is cited in 7 papers

Lasers

Thin-disk laser based on an Yb:YAG/YAG composite active element

I. I. Kuznetsov, I. B. Mukhin, O. L. Vadimova, O. V. Palashov

Institute of Applied Physics, Russian Academy of Sciences, Nizhnii Novgorod

Abstract: A thin-disk laser module based on an Yb:YAG/YAG composite active element is developed with a small-signal gain of 1.25 and a stored energy of 400 mJ under cw pumping. The gain and thermally induced phase distortions in the module are studied experimentally. Based on this module, a thin-disk laser with an average power of 300 W and a slope efficiency of 42% is designed.

Keywords: thin-disk laser, Yb:YAG, composite active element, amplified spontaneous emission, thermal effects, high average power.

PACS: 42.55.Rz, 42.60.By, 42.60.Lh

Received: 23.10.2014
Revised: 13.11.2014

 English version: Quantum Electronics, 2015, 45:3, 207–210

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