High peak power passively Q-switched Tm:YAP solid-state laser with Cr2+:ZnSe and Cr2+:ZnS saturable absorber

被引：0
|
作者：
Wu, Zhujing [1 ]
Zhang, Hong [1 ]
Zhu, Yuehong [1 ]
Huang, Yulei [1 ]
Chen, Wenyi [1 ]
Zhou, Shouhuan [1 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, 24 South Sect 1,Yihuan Rd, Chengdu 610065, Sichuan, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2024年 / 685卷
基金：
中国国家自然科学基金;
关键词：
Tm: YAP laser; Q-switched; Cr2+:ZnSe; Cr2+:ZnS; Saturable absorber; PUMPED TM-YAP; COMPACT;
D O I：
10.1016/j.physb.2024.416003
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We experimentally demonstrate a passively Q-switched thulium-doped YAlO3 (Tm:YAP) laser based on the Cr2+:ZnSe (Chromium, Zinc Selenide) and Cr2+:ZnS (Zinc Sulfide) crystals. Wavelength tuning for 1.87 mu m, 1.90 mu m, and 1.94 mu m operations was achieved by employing a birefringent plate. The impact of varying doping concentrations of Cr2+:ZnS crystals and a Cr2+:ZnSe crystal on the laser output was investigated. During the analysis, the passively Q-switched Tm:YAP laser achieved a pulse with the highest peak power of 107.5 kW and the narrowest pulse width of similar to 6 ns, utilizing a Cr2+:ZnSe crystal as the saturable absorber (SA) with a modulation depth (Delta R) of 14 %.
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页数：7
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