Frequency expansion of efficient passively Q-switched orthogonally-polarized dual-wavelength laser

被引：5

作者：

Chen, Mengting ^{[1
,2
]}

Dai, Shibo ^{[1
,2
]}

Tu, Zhihua ^{[1
,2
]}

Zhu, Siqi ^{[1
,2
]}

Yin, Hao ^{[1
,2
]}

Li, Zhen ^{[1
,2
]}

Zheng, Yi ^{[3
]}

Chen, Zhenqiang ^{[1
,2
]}

机构：

[1] Guangdong Prov Engn Res Ctr Crystal & Laser Techn, Guangzhou 510632, Peoples R China

[2] Jinan Univ, Dept Optoelect Engn, Guangzhou 510632, Peoples R China

[3] Beijing Jiaotong Univ, Beijing 100044, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2020年 / 122卷

基金：

中国国家自然科学基金;

关键词：

Diode-pumped lasers; Passively Q-switched; Dual-wavelength laser; TERAHERTZ GENERATION; CRYSTAL; ND;

D O I：

10.1016/j.optlastec.2019.105846

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the frequency expansion of efficient passively Q-switched (PQS) orthogonally-polarized dual-wavelength laser for the first time, to our knowledge. The dynamic of pulse synchronization for the PQS dual-wavelength laser was analyzed theoretically. With two Nd:YLF crystals, the simultaneous PQS orthogonally-polarized dual-wavelength laser at 1047 and 1053 nm was obtained with the maximum output powers of 4.5 and 4.2 W, respectively, resulting in a total optical-to-optical conversion efficiency of 18.7%. The timing jitter between the 1047 nm main pulse and 1053 nm main pulse was 26.6 ns. Furthermore, substituting one of the Nd:YLF crystals for a Nd:YAG crystal, two sets of simultaneous orthogonally-polarized dual-wavelength lasers at 1047, 1064 nm and 1053, 1064 nm were generated with near 6 W of output power.

引用

页数：7

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