A crystalline-orientation self-selected linearly polarized Yb:Y3Al5O12 microchip laser

被引：19

作者：

Dong, Jun ^{[1
]}

Shirakawa, Akira ^{[1
]}

Ueda, Ken-ichi ^{[1
]}

机构：

[1] Univ Electrocommun, Inst Laser Sci, Tokyo 1828585, Japan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 10期

关键词：

D O I：

10.1063/1.2980423

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Crystalline-orientation and pump dependent polarization states of Yb:Y(3)Al(5)O(12) microchip lasers were observed experimentally. Linear polarization was observed at six crystalline orientations in the (111) plane relative to the beam propagation direction along the (111) crystalline axis of Yb:Y(3)Al(5)O(12) crystal. The extinction ratio of the linear polarization decreases and the laser tends to oscillate at random polarization state at high pump power levels. Linear polarization states of Yb:Y(3)Al(5)O(12) microchip laser was selected by the anisotropic spectroscopic properties of the Yb(3+)-ion in cubic Y(3)Al(5)O(12) crystal. The random polarization oscillation at high pump power was caused by the strong thermal-induced birefringence and depolarization. (c) 2008 American Institute of Physics.

引用

页数：3

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