Improvement of 2.8 μm laser performance on LD side-pumped LuYSGG/Er: LuYSGG/LuYSGG bonding crystal

被引：4

作者：

Zhang, Huili ^{[1
,2
,3
]}

Bian, Jintian ^{[2
,4
]}

Sun, Dunlu ^{[1
,2
,3
]}

Luo, Jianqiao ^{[1
,2
,3
]}

Quan, Cong ^{[1
,2
,3
]}

Hu, Lunzhen ^{[5
]}

Han, Zhiyuan ^{[1
,6
]}

Dong, Kunpeng ^{[6
]}

Qiao, Yang ^{[1
,6
]}

Cheng, Maojie ^{[1
,2
,3
]}

Chen, Yuwei ^{[1
,6
]}

机构：

[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei Inst Phys Sci, Crystal Lab Laser Technol Res Ctr, Hefei 230031, Peoples R China

[2] Adv Laser Technol Lab Anhui Prov, Hefei 230037, Peoples R China

[3] Key Lab Photon Devices & Mat, Hefei 230031, Anhui, Peoples R China

[4] Natl Univ Def Technol, State Key Lab Pulsed Power Laser Technol, Hefei 230037, Peoples R China

[5] Anhui Univ, Ctr Laser & Opt, Hefei 230088, Peoples R China

[6] Univ Sci & Technol China, Hefei 230022, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2023年 / 158卷

基金：

中国国家自然科学基金;

关键词：

LuYSGG/Er:LuYSGG/LuYSGG bonding crystal; LD side-pumping; Laser performance; Beam quality; Laser spectrum; OPTICAL PARAMETRIC OSCILLATOR; SPECTROSCOPIC PROPERTIES; GROWTH; RESISTANT; ER;

D O I：

10.1016/j.optlastec.2022.108840

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the laser performance of 970 nm LD side-pumped LuYSGG/Er:LuYSGG/LuYSGG bonding crystal in a frequency range of 50-800 Hz. The thermal distribution simulation implies that the bonded Er:LuYSGG crystal possesses a higher cooling efficiency compared with the un-bonded one. The maximum average power of 20.76 W is realized at a frequency of 150 Hz and a pulse width of 200 mu s, corresponding to a slope efficiency of 23.94 % and optical-to-optical conversion efficiency of 19.22 %. A single laser wavelength of 2797.5 nm is observed. The M2 factors of the bonding rod are 6.80/6.74, indicating a relatively high beam quality. Therefore, the LuYSGG/Er:LuYSGG/LuYSGG bonding crystal exhibits an improvement of laser performance operated at 2.8 mu m due to excellent heat dissipation ability, which is a promising gain element and can be applied to the harsh radiation environment.

引用

页数：7

共 31 条

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