Kilo-hertz-level Q-switched laser characteristics of a Tm, Y:CaF2 crystal

被引：9
作者：
Liu, X. [1 ,2 ]
Yang, K. [1 ,2 ]
Zhao, S. [1 ,2 ]
Li, T. [1 ,2 ]
Li, G. [1 ,2 ]
Li, D. [1 ,2 ]
Guo, X. [3 ]
Zhao, B. [3 ]
Zheng, L. [3 ]
Su, L. [3 ]
Xu, J. [4 ]
Bian, J. [5 ]
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
[2] Shandong Univ, Shandong Prov Key Lab, Jinan 250100, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Artificial Crystal Res Ctr, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China
[4] Tongji Univ, Inst Adv Study, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China
[5] State Key Lab Pulsed Power Laser Technol, Hefei 230031, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 12期
基金：
中国国家自然科学基金;
关键词：
QUASI-3-LEVEL LASERS; OPERATION; YAG;
D O I：
10.1364/OME.7.004352
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Employing an acousto-optic modulator (AOM), the Q-switched laser characteristics of a Tm,Y:CaF2 crystal have been investigated. With T = 1%, 2% and 5% output couplers (OCs), output laser performance in both continuous-wave (CW) and Q-switching regimes have been presented and are discussed in details. The AOM Q-switched Tm, Y:CaF2 laser can run at high repetition rates ranging from 1 kHz to 10 kHz. Under the modulation frequency of 1 kHz, pulses with the shortest duration of 280 ns and the maximum pulse energy of 0.335 mJ have been delivered, corresponding to a maximum peak power of 1.19 kW. The results indicate that Tm, Y:CaF2 crystals can act as a promising candidate of gain medium for pulsed 2 mu m laser. (C) 2017 Optical Society of America
引用
收藏
页码：4352 / 4357
页数：6
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