V. A. Akimov, V. I. Kozlovsky, Yu. V. Korostelin, A. I. Landman, Yu. P. Podmar'kov, Ya. K. Skasyrsky, M. P. Frolov, “Efficient pulsed Cr<sup>2+</sup>:CdSe laser continuously tunable in the spectral range from 2.26 to 3.61 μm”, Kvantovaya Elektronika, 2008, Volume 38, Number 3,Pages <nobr>205

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Lasers

Efficient pulsed Cr²⁺:CdSe laser continuously tunable in the spectral range from 2.26 to 3.61 μm

V. A. Akimov^a, V. I. Kozlovsky^b, Yu. V. Korostelin^b, A. I. Landman^b, Yu. P. Podmar'kov^b, Ya. K. Skasyrsky^b, M. P. Frolov^b

^a Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
^b P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow

Abstract: The efficient lasing of a Cr²⁺:CdSe single crystal pumped by 1.94-μm, 300-μs pulses from a Tm:YAP laser was obtained. The Cr²⁺:CdSe laser with a nonselective resonator emitted up to 17 mJ at a wavelength of ~2.65 μm with the quantum slope efficiency of 63% with respect to the absorbed pump energy. The absorption coefficient of the Cr²⁺:CdSe crystal at the laser wavelength did not exceed 0.045 cm^-1. By using a resonator with a dispersion prism, the laser wavelength was continuously tuned in the spectral range from 2.26 to 3.61 μm.

PACS: 42.55.Rz, 42.60.Lh

Received: 26.07.2007