高效、线性偏振、直接二极管泵浦的1617纳米掺铒钇铝石榴石激光器。

High efficiency, linearly polarized, directly diode-pumped Er:YAG laser at 1617 nm.

作者信息

Yu Zhenzhen, Wang Mingjian, Hou Xia, Chen Weibiao

出版信息

Appl Opt. 2014 Dec 1;53(34):8032-5. doi: 10.1364/AO.53.008032.

DOI:10.1364/AO.53.008032

Abstract

An efficient, directly diode-pumped Er:YAG laser at 1617 nm was demonstrated. A folding mirror with high reflectivity for the s-polarized light at the laser wavelength was used to achieve a linearly polarized laser. A maximum continuous-wave output power of 7.73 W was yielded under incident pump power of 50.57 W, and the optical conversion efficiency with respect to incident pump power was ∼15.28%, which was the highest optical conversion efficiency with directly diode-pumped Er:YAG lasers up to now; in Q-switched operation, the maximum pulse energy of 7.82 mJ was generated with pulse duration of about 80 ns at a pulse repetition frequency of 500 Hz.

摘要

展示了一种高效的、直接二极管泵浦的1617nm掺铒钇铝石榴石（Er:YAG）激光器。使用了对激光波长的s偏振光具有高反射率的折叠镜来实现线偏振激光。在50.57W的入射泵浦功率下，产生了7.73W的最大连续波输出功率，相对于入射泵浦功率的光转换效率约为15.28%，这是迄今为止直接二极管泵浦Er:YAG激光器的最高光转换效率；在调Q操作中，在500Hz的脉冲重复频率下，产生了最大脉冲能量为7.82mJ、脉冲持续时间约为80ns的脉冲。