Role of two- and three-ion energy transfer processes in three-micrometer generation of erbium doped crystals

Serban Georgescu; Marius Micluta

doi:10.1117/12.238119

11 April 1996 Role of two- and three-ion energy transfer processes in three-micrometer generation of erbium doped crystals

Serban Georgescu, Marius Micluta

Author Affiliations +

Proceedings Volume 2772, Laser Optics '95: Solid State Lasers; (1996) https://doi.org/10.1117/12.238119
Event: Laser Optics '95, 1995, St. Petersburg, Russian Federation

Abstract

In the frame of the rate equation model for 3 micrometers Erbium laser, working on the transition ⁴I_11/2 yields ⁴I_13/2, the role of two-ion and three-ion energy transfer processes is examined. It is shown that though two-ion processes can describe the main characteristics of three-micron generation, to explain experimental facts as 2.8 micrometers lasing of Er:YSGG pumped in the terminal laser level, the contribution of three-ion upconversion from ⁴I_13/2 should be considered. A quantitative estimation of this contribution for a Er(25%):YSGG laser, pumped at 1.533 micrometers , is tentatively performed.

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Serban Georgescu and Marius Micluta "Role of two- and three-ion energy transfer processes in three-micrometer generation of erbium doped crystals", Proc. SPIE 2772, Laser Optics '95: Solid State Lasers, (11 April 1996); https://doi.org/10.1117/12.238119

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