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Chin. Opt. Lett.
 Home  List of Issues    Issue 09 , Vol. 15 , 2017    10.3788/COL201715.091402

13.5 mJ polarized 2.09 μm fiber-bulk holmium laser and its application to a mid-infrared ZnGeP2 optical parametric oscillator
Encai Ji, Mingming Nie, and Qiang Liu
State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, [Tsinghua University], Beijing 100084, China

Chin. Opt. Lett., 2017, 15(09): pp.091402

Topic:Lasers and laser optics
Keywords(OCIS Code): 140.3070  140.3540  140.4480  140.5680  190.4970  

A high pulse repetition frequency (PRF), high energy Ho:YAG laser directly pumped by a Tm-doped fiber laser and its application to a mid-infrared ZnGeP2 (ZGP) optical parametric oscillator (OPO) is demonstrated. The maximum polarized 2.09 μm laser pulse energy is 13.46 mJ at a PRF of 1 kHz. The corresponding peak power reaches 504 kW. In a double-resonant ZGP-OPO, a maximum mid-infrared laser pulse energy of 1.25 mJ, corresponding to a peak power of 79 kW, is accomplished at a PRF of 3 kHz. The nonlinear conversion efficiency reaches 41.7%. The nonlinear slope efficiency reaches 53.3%.

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:2017/7/3

Get Citation: Encai Ji, Mingming Nie, and Qiang Liu, "13.5 mJ polarized 2.09 μm fiber-bulk holmium laser and its application to a mid-infrared ZnGeP2 optical parametric oscillator," Chin. Opt. Lett. 15(09), 091402(2017)

Note: This work was supported by the National Natural Science Foundation of China (No. 61275146) and the National Key Research and Development Program of China (No. 2016YFB0402104).


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