High-energy resonantly diode-pumped Q-switched Er:YAG laser at 1617 nm

被引：0

作者：

Zhenzhen Yu

Mingjian Wang

Xia Hou

Weibiao Chen

机构：

[1] Chinese Academy of Sciences,Key Laboratory of Space Laser Communication and Detection Technology

[2] Shanghai Institute of Optics and Fine Mechanics,undefined

[3] University of Chinese Academy of Sciences,undefined

来源：

Applied Physics B | 2016年 / 122卷

关键词：

Pulse Energy; Pump Energy; Pump Wavelength; Output Pulse Energy; Energy Transfer Upconversion;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We report high-energy linearly polarized operation of an Er:YAG laser at 1617 nm, resonantly pumped by quasi-continuous-wave 1470-nm laser diodes. A U-shape resonator incorporating two 0.25 at.% Er:YAG rods and an acousto-optic Q-switch was employed. Polarized output with pulse energy of 20.5 mJ and pulse width of 52 ns at a 50 Hz repetition rate was obtained. At the maximum output energy, the output beam quality M2 was approximately 1.02 and 1.03 in horizontal and vertical directions, respectively. To the best of our knowledge, this polarized pulse energy is the highest ever reported for a directly diode-pumped Q-switched Er:YAG laser operating at 1617 nm.

引用

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