Ho:YAG laser at 2097 nm pumped by a narrow linewidth tunable 1.91 μm laser

被引：7
|
作者：
Tian, Juntao [1 ,2 ]
Zhao, Lili [1 ,2 ]
Li, Zhiyong [1 ,2 ]
Bian, Jintian [3 ,4 ]
Ye, Qing [3 ,4 ]
Wang, Hai [1 ,2 ]
Tan, Rongqing [1 ,2 ]
机构：
[1] Chinese Acad Sci, Aerosp Informat Res Inst, Laser Engn Ctr, Beijing 100094, Peoples R China
[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
[3] Natl Univ Def Technol, Coll Elect Countermeasures, State Key Lab Pulsed Power Laser Technol, Hefei 230037, Peoples R China
[4] Natl Univ Def Technol, Coll Elect Countermeasures, Anhui Lab Adv Laser Technol, Hefei 230037, Peoples R China
来源：
SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1038/s41598-023-27970-0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This study presents a high efficiency Ho:YAG laser based on a narrow linewidth tunable 1.91 mu m laser. A tunable Tm:YLF laser is the pump source and the wavelength continuous tunability ranges from 1906.04 to 1908.83 nm, corresponding to a linewidth of less than 0.41 nm. The tunable Tm:YLF laser is achieved by changing the operating temperature of the VBG. The output power of the Ho:YAG laser is between 21.04 and 23.53 W and the slope efficiency is between 64.08 and 68.26% at the pump power of 39.8 W. The output power and slope efficiency corresponding to the pump wavelength of 1907.36 nm are 23.53 W and 68.26%, respectively. This study illustrates that fine-tuning the pump wavelength is an effective way to improve the slope efficiency and output power of the Ho:YAG laser at room temperature.
引用
收藏
页数：6
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