Investigation of photothermal refractive index changes in novel laser crystals by the transient gratings method

被引：0
|
作者：
Ivakin, EV [1 ]
Sukhadolau, AV [1 ]
Filippov, VV [1 ]
Melnik, SA [1 ]
机构：
[1] Natl Acad Sci, Inst Phys, Minsk 220072, BELARUS
来源：
CAOL 2005: PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON ADVANCED OPTOELECTRONICS AND LASERS, VOL 1 | 2005年
关键词：
laser crystals; phase transient grating; anisotropy; nonlinear refraction; lifetime;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this report we propose to characterize Yb doped laser crystals by using light induced phase grating recorded in active slabs via spatially periodical excitation of samples. Thermal and electronic refractive index changes are considered. Thermal and piezooptical contributions to refraction are found to depend on the directions of grating vector. For anisotropic crystals they may have opposite signs and particular directions there exist with both components being mutually compensated. Electronic component of refraction is used for the difference of polarisability of ground and lasing levels calculation.
引用
收藏
页码：81 / 83
页数：3
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