Acousto-optic  Q -switched Tm:Ho:YbAG laser pumped at 1678 nm

Yu. L. Kalachev; S. A. Kutovoi; V. A. Mikhailov; I. A. Shcherbakov; Yu. D. Zavartsev; A. I. Zagumennyi

doi:10.3103/S1541308X16040014

Acousto-optic Q-switched Tm:Ho:YbAG laser pumped at 1678 nm

Authors: Kalachev Y.L.¹, Kutovoi S.A.¹, Mikhailov V.A.¹, Shcherbakov I.A.¹, Zavartsev Y.D.¹, Zagumennyi A.I.¹
Affiliations:
1. Prokhorov General Physics Institute
Issue: Vol 24, No 4 (2016)
Pages: 255-258
Section: IR Lasers
URL: https://journals.rcsi.science/1541-308X/article/view/217612
DOI: https://doi.org/10.3103/S1541308X16040014
ID: 217612

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Abstract

Acousto-optic Q-switched lasing has been obtained for the first time in a Tm:Ho:YbAGcrystal. The laser output power is analyzed as a function of the laser pulse repetition rate. It is found that at rates above 30 kHz the laser slope efficiency reaches maximum values (~20 to 30%), comparable with the efficiency in the cw mode. The shortest laser pulse width is about 40 ns, and the average output power reaches about 80mW.