Lasing in a crystal pumped at

The (YbAG) crystal is proposed as a matrix of -doped laser elements for two-micron lasers. A Tm : YbAG crystal of high optical quality is grown by the Czochralski method and its spectral and luminescent characteristics are studied. The luminescence decay time for the upper laser level is measured to...

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Published inQuantum electronics (Woodbury, N.Y.) Vol. 44; no. 10; pp. 895 - 898
Main Authors Zavartsev, Yu.D., Zagumennyi, A.I., Kalachev, Yu.L., Kutovoi, S.A., Mikhailov, V.A., Shcherbakov, I.A.
Format Journal Article
LanguageEnglish
Published Turpion Ltd and the Russian Academy of Sciences 01.10.2014
Subjects
laser
lasing
lifetime
luminescence
YbAG
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Summary:The (YbAG) crystal is proposed as a matrix of -doped laser elements for two-micron lasers. A Tm : YbAG crystal of high optical quality is grown by the Czochralski method and its spectral and luminescent characteristics are studied. The luminescence decay time for the upper laser level is measured to be . Lasing in this crystal pumped by a fibre laser is obtained at a wavelength of for the first time. The total and slope efficiencies of the laser at room temperature and an output power up to reach 33 % and 41 %, respectively.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2014v044n10ABEH015425