Highly efficient millijoule-level 3.5 μm MgO-doped periodically poled lithium niobate optical parametric oscillator

被引：5
|
作者：
Sujian, Niu [1 ]
Aierken, Palidan [1 ]
Tuersun, Paerhatijiang [1 ,2 ,3 ]
Ying, Wan [1 ]
Yusufu, Taximaiti [1 ,2 ,3 ]
机构：
[1] Xinjiang Normal Univ, Sch Phys & Elect Engn, Urumqi 830054, Xinjiang, Peoples R China
[2] Xinjiang Normal Univ, Lab Novel Light Source & Micro Nanoopt, Urumqi 830054, Xinjiang, Peoples R China
[3] Key Lab Mineral Luminescent Mat & Microstruct, Urumqi 830054, Xinjiang, Peoples R China
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 01期
关键词：
DIFFERENCE-FREQUENCY-GENERATION; OUTPUT; POWER; CRYSTALS; COMPACT; LINBO3;
D O I：
10.7567/JJAP.57.010304
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a millijoule-level mid-infrared MgO-doped periodically poled lithium niobate (MgO:PPLN) optical parametric oscillator pumped by a 1.064 mu m nanosecond laser. The maximum mid-infrared 3.5 mu m idler output energy reached 3.65 mJ at the pump energy of 21 mJ, corresponding to a photon conversion efficiency of 57%. The wavelength tunabilities of the signal and idler outputs were also realized, with the continuous tuning ranges of 1.501 to 1.558 mu m and 3.650 to 3.353 mu m, respectively, by controlling the temperature of the MgO:PPLN crystal. The beam quality factor (M-2) of the mid-infrared idler output was measured to be <1.75. (C) 2018 The Japan Society of Applied Physics
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页数：4
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