Spectroscopic characterization and laser performance of diffusion doped Cr2+:ZnS

被引：0

作者：

Graham, K ^{[1
]}

Mirov, SB ^{[1
]}

Fedorov, VV ^{[1
]}

Zvanut, ME ^{[1
]}

Avanesov, A ^{[1
]}

Badikov, V ^{[1
]}

Ignat'ev, B ^{[1
]}

Panutin, V ^{[1
]}

Shevirdyaeva, G ^{[1
]}

机构：

[1] Univ Alabama Birmingham, Dept Phys, Birmingham, AL 35294 USA

来源：

ADVANCED SOLID-STATE LASERS, PROCEEDINGS | 2001年 / 50卷

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spectroscopic, saturation, and laser properties of diffusion doped Cr2+:ZnS crystals synthesized by chemical reaction from gas phase are reported. Lasing was realized with a threshold of 170 muJ and slope efficiency of 9.5% with respect to the 1.5607 mum pump energy, in a hemispherical cavity. Maximum output energy reached 100 pJ. A tuning range of 2.05-2.40 mum was realized, limited by the spectral range of the output coupler of the selective hemispherical laser cavity. Selective cavity experiments used a CaF2 prism as the dispersive element. Findlay Clay losses were found to be about 14%. Absorption cross section (0.80x10(-18) cm(2)) was estimated from spectroscopic measurements and was in good agreement with saturation data, calculated with the modified Frantz-Nodvik equation for a four level slow absorber.

引用

页码：561 / 567

页数：7

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