Tunable and coherent nanosecond 7.2-12.2 μm mid-infrared generation based on difference frequency mixing in ZnGeP2 crystal

被引：5

作者：

Zhong K. ^{[1
]}

Li J.-S. ^{[1
]}

Xu D.-G. ^{[1
]}

Wang J.-L. ^{[1
]}

Wang Z. ^{[1
]}

Wang P. ^{[1
]}

Yao J.-Q. ^{[1
]}

机构：

[1] Institute of Laser and Optoelectronics, College of Precision Instrument

[2] Key Laboratory of Optoelectronic Information Science, Tianjin University and Technology, Ministry of Education

来源：

Optoelectronics Letters | 2010年 / 6卷 / 03期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

* This work has been supported by the Major State Basic Research Development Program of China (No. 2007CB310403); the National Natural Science Foundation of China (No. 60801017); and Research Fund for the Doctoral Program of Higher Education (No. 20070420118). ** E-mail: zhongkai1984@gmail. com;

D O I：

10.1007/s11801-010-9267-4

中图分类号：

学科分类号：

摘要：

A coherent mid-infrared laser source, which can be tuned from 7.2 μm to 12.2 μm based on the type-II phase-matched difference frequency generation (DFG) in an uncoated ZnGeP2 (ZGP) crystal, is reported. The two pump waves are from a type-II phase-matched dual-wavelength KTP optical parametric oscillator (OPO) of which the signal and idler waves are tuned during 1.85-1.96 μm (extraordinary wave) and 2.5-2.33 μm (ordinary wave), respectively. The maximum energy of the generated mid-infrared laser is 10 μJ at 9.22 μm, corresponding to the peak power of 2.2 kW. © 2010 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.

引用

页码：179 / 182

页数：3

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