Concentration and power dependences of level population of 2.8-mu m laser transition in YLF : Er crystals under CW laser diode pumping

An influence of interionic cross relaxation processes (upconversion, selfquenching) on concentration and power dependences of the inverse population of ^4I_(11/2) and ^4I_(13/2) laser levels in YLF:Er crystals under CW laser-diode pumping were studied both theoretically and experimentally. Computer...

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Bibliographic Details
Authors: Tkachuk, A. M., Razurnova, I. K., Mirzaeva, A. A., Novikoi, G. E., Orlov, O. A., Malyshev, Andrey, Gapontsev4, V. P.
Format: book part
Publication Date:2001
Country:España
Institution:Universidad Complutense de Madrid (UCM)
Repository:Docta Complutense
Language:English
OAI Identifier:oai:docta.ucm.es:20.500.14352/61008
Online Access:https://hdl.handle.net/20.500.14352/61008
Access Level:Open access
Keyword:538.9
Luminescence
Física de materiales
Física del estado sólido
2211 Física del Estado Sólido
Description
Summary:An influence of interionic cross relaxation processes (upconversion, selfquenching) on concentration and power dependences of the inverse population of ^4I_(11/2) and ^4I_(13/2) laser levels in YLF:Er crystals under CW laser-diode pumping were studied both theoretically and experimentally. Computer simulations were carried out taking into account not only pair interaction but also the multi-ion interaction in the whole system. Optimal Er concentration for 3 - µm CW lasing was estimated as 10 - 15%.

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