K. Graham, V. V. Fedorov, S. B. Mirov, M. E. Doroshenko, T. T. Basiev, Yu. V. Orlovskii, V. V. Osiko, V. V. Badikov, V. L. Panyutin, “Pulsed mid-IR Cr2+:ZnS and Cr2+:ZnSe lasers pumped by Raman-shifted Q-switched neodymium lasers”, Kvantovaya Elektronika, 2004, Volume 34, Number 1,Pages 8

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Active media. Lasers

Pulsed mid-IR Cr²⁺:ZnS and Cr²⁺:ZnSe lasers pumped by Raman-shifted Q-switched neodymium lasers

K. Graham^a, V. V. Fedorov^b, S. B. Mirov^a, M. E. Doroshenko^b, T. T. Basiev^b, Yu. V. Orlovskii^b, V. V. Osiko^b, V. V. Badikov^c, V. L. Panyutin^c

^a University of Alabama at Birmingham, USA
^b Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow
^c Kuban State University, Krasnodar

Abstract: The spectral and lasing properties of Cr²⁺:ZnS and Cr²⁺: ZnSe crystals pumped by Raman-shifted nanosecond neodymium lasers are studied. Tunable pulsed lasing is obtained in the mid-IR range between 2.05 and 2.40 μm. The minimum lasing threshold was 170 μJ at the maximum slope efficiency of 20 %.

PACS: 42.55.Rz, 42.60.Fc, 42.65.Dr

Received: 23.06.2003