连续侧面泵浦Nd∶YAG陶瓷激光器被动调Q研究

doi:10.3969/j.issn.1000-1093.2012.03.005

兵工学报 ›› 2012, Vol. 33 ›› Issue (3): 278-282.doi: 10.3969/j.issn.1000-1093.2012.03.005

连续侧面泵浦Nd∶YAG陶瓷激光器被动调Q研究

吴昊¹，李洪祚¹，王一帆²，刘瑞²，范英杰²，陈薪羽²

（1.长春理工大学电子信息工程学院，吉林长春 130022；2. 长春理工大学理学院，吉林长春 130022）

收稿日期:2012-01-12 修回日期:2012-01-12 上线日期:2014-03-04
作者简介:吴昊（1983—），男，博士研究生
基金资助:
吉林省科技支撑重点项目（20100355）

Study on Side Pumped Nd∶YAG Ceramic Laser Passively Q-switched

WU Hao¹， LI Hong-zuo¹， WANG Yi-fan²， LIU Rui²， FAN Ying-jie²， CHEN Xin-yu²

(1. School of Electronic Information Engineering，Changchun University of Science and Technology，Changchun 130022，Jilin， China；2. School of Science，Changchun University of Science and Technology，Changchun 130022，Jilin，China)

Received:2012-01-12 Revised:2012-01-12 Online:2014-03-04

摘要/Abstract

摘要： 对比研究了808 nm激光二极管列阵侧面泵浦Nd∶YAG陶瓷与Nd∶YAG单晶激光器在连续和被动调Q运转下的激光输出特性。对于Nd∶YAG陶瓷激光器，在145 W泵浦功率，平平谐振腔20%输出耦合镜透过率时，获得最大44.28 W的1 064 nm连续激光输出，光-光转化效率和斜效率分别为30.5%和38.2%. 谐振腔中插入初始透过率87.89%的Cr⁴⁺∶YAG晶体作为被动调Q开关，在124 W泵浦功率下获得10.03 kHz重复频率，4.62 W平均功率，5.54 kW峰值功率的准连续激光输出。同样实验条件下利用相同尺寸和掺杂浓度的Nd∶YAG单晶进行对比，结果表明Nd∶YAG陶瓷在高功率泵浦下具有广阔的应用前景。

关键词: 光电子学与激光技术, 固体激光器, Nd∶YAG陶瓷, 侧面二极管阵列泵浦, 被动调Q

Abstract: The continuous wave and passively Q-switched output performance of 808 nm laser diode array side pumped Nd∶YAG ceramic and Nd∶YAG single crystal are studied. In the condition of 145 W pump power and 20% output coupler transmission of a plano-plano resonator, the Nd∶YAG ceramic obtains a continuous wave output power of 44.28 W at 1 064 nm, the optical-to-optical conversion efficiency is 30.5%, the slope efficiency is 38.2%. In the same experimental condition, using Cr⁴⁺∶YAG as the passive Q-switcher, the 10.03 kHz quasi-continuous laser is obtained when the original transmission ratio is 87.89%, the average power is 4.62 W and the peak power is 5.54 kW. Compared to the same size and doping concentration of Nd∶YAG single crystal in the same experimental condition, the result shows that Nd∶YAG ceramic laser has a widely application in high power.

Key words: optoelectronics and laser, solid-state lasers, Nd∶YAG ceramic, laser diode array side pump, passively Q-switched

中图分类号:

TN248.1

吴昊，李洪祚，王一帆，刘瑞，范英杰，陈薪羽. 连续侧面泵浦Nd∶YAG陶瓷激光器被动调Q研究[J]. 兵工学报, 2012, 33(3): 278-282.

WU Hao， LI Hong-zuo， WANG Yi-fan， LIU Rui， FAN Ying-jie， CHEN Xin-yu. Study on Side Pumped Nd∶YAG Ceramic Laser Passively Q-switched[J]. Acta Armamentarii, 2012, 33(3): 278-282.

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连续侧面泵浦Nd∶YAG陶瓷激光器被动调Q研究

Study on Side Pumped Nd∶YAG Ceramic Laser Passively Q-switched

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