Experimental Study of the Dual-Frequency Laser Based on the Nd:YVO4/Nd:GdVO4 Combined Crystal

被引:0
|
作者
Jin Tao [1 ]
Hu Miao [1 ,2 ]
Li Peng [2 ,3 ]
Fan Hongdan [4 ]
Han Ning [1 ]
Feng Bing [1 ]
Ou Jun [1 ]
Zhou Xuefang [1 ]
Yang Guowei [1 ]
Lu Yang [1 ]
Bi Meihua [1 ]
机构
[1] Hangzhou Dianzi Univ, Coll Commun Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China
[3] Res Inst Chem Def, Beijing 102205, Peoples R China
[4] Hangzhou Dianzi Univ, Sch Off, Hangzhou 310018, Zhejiang, Peoples R China
关键词
lasers; combined crystal; frequency difference; power balance;
D O I
10.3788/LOP55.091407
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The output characteristics of the dual-frequency laser (DFL) based on the Nd:YVO4/Nd:GdVO4 combined crystal have been investigated experimentally. In the experiment, the pump current at 14.5 A is set, the heat sink temperature of the combined crystal rises from 5 degrees C to 40 degrees C with 5 degrees C intervals, and a DFL signal with super-large frequency difference up to 310 GHz is achieved. The experimental results show that the DFL signal power has a negative correlation with the heat sink temperature. The fitting rates of the left and right peaks power with heat sink temperature arc -0.0190 degrees C-1 and -0.0082 degrees C-1, respectively. The OFT reaches power balance at the heat sink temperature of 32. 36 degrees C. In addition, the experiment also shows that the wavelengths of the DFL signal are red-shifted linearly with the heat sink temperature increasing. The measured red-shift rates of the left peak and right peak arc 9.70 pm.degrees C-1 and 6.12 pm.degrees C-1, respectively.
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页数:5
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