Continuous-wave Cr{sup 2+}:CdS laser

Continuous-wave lasing is obtained for the first time in a Cr{sup 2+}:CdS crystal pumped by a thulium fibre laser at 1908 nm. The output power of the laser at 2534 nm achieved 0.81 W with the slope efficiency with respect to the absorbed pump power equal to 52.3%. The parameters of Cr{sup 2+}:CdS an...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2010-01, Vol.40 (1)
Main Authors: Kozlovskii, Vladimir I, Korostelin, Yurii V, Landman, Aleksandr I, Podmar'kov, Yu P, Skasyrsky, Yan K, Frolov, M P
Format: Article
Language:English
Subjects:
CADMIUM COMPOUNDS
CADMIUM SELENIDES
CADMIUM SULFIDES
CHALCOGENIDES
CHARGED PARTICLES
CHROMIUM IONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CRYSTALS
EFFICIENCY
ELEMENTS
FIBERS
INORGANIC PHOSPHORS
IONS
LASERS
METALS
OPTICAL FIBERS
OPTICAL PUMPING
PHOSPHORS
PUMPING
RARE EARTHS
SELENIDES
SELENIUM COMPOUNDS
SULFIDES
SULFUR COMPOUNDS
THULIUM
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Summary:Continuous-wave lasing is obtained for the first time in a Cr{sup 2+}:CdS crystal pumped by a thulium fibre laser at 1908 nm. The output power of the laser at 2534 nm achieved 0.81 W with the slope efficiency with respect to the absorbed pump power equal to 52.3%. The parameters of Cr{sup 2+}:CdS and Cr{sup 2+}:CdSe lasers are compared. A Cr{sup 2+}:CdSe crystal generated 1.7 W of cw radiation at 2638 nm with the slope efficiency with respect to the absorbed power equal to 53.4%. (lasers)
ISSN:1063-7818
DOI:10.1070/QE2010V040N01ABEH014189