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Chin. Opt. Lett.
 Home  List of Issues    Issue 11 , Vol. 13 , 2015    10.3788/COL201513.111402

Nanosecond high-pulse energy 1.57??μm KTA optical parametric amplifier with time delay
Huanhuan Li1, Xiaolei Zhu2, Xiuhuan Ma2, Shiguang Li2, and Weibiao Chen2
1 College of Materials Science and Engineering, [China JiLiang Universiy], Hangzhou 31 001 8, China
2 Key Laboratory of Space Laser Communication and Detection Technology, [Shanghai Institute of Optics and Fine Mechanics], Chinese Academy of Sciences, Shanghai 2 01800, China

Chin. Opt. Lett., 2015, 13(11): pp.111402

Topic:Lasers and laser optics
Keywords(OCIS Code): 140.3280  190.4410  

An efficient two-stage KTiOAO4 optical parametric amplifier (OPA) system with walk-off-compensating alignment is designed. By introducing an extra time delay between the pump pulse and the signal pulse, this OPA architecture is capable of obtaining high optical conversion efficiency and high signal gain simultaneously. Finally, a maximum gain of 98 at the 1.57 μm wavelength is obtained with the signal beam quality of M2 around 5.6. The efficiency of the optical conversion from 1.064 to 1.57 μm is around 26%.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2015/10/8

Get Citation: Huanhuan Li, Xiaolei Zhu, Xiuhuan Ma, Shiguang Li, and Weibiao Chen, "Nanosecond high-pulse energy 1.57??μm KTA optical parametric amplifier with time delay," Chin. Opt. Lett. 13(11), 111402(2015)

Note: This work was supported by the Zhejiang Provincial Natural Science Foundation of China under Grant No.?LY15F050007.


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