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Self-Q-switched and broad wavelength-tunable lasing in Tm3+-doped CaF2 single-crystal fiber
被引：10
|作者：
Zu, Yuqian
[1
,2
]
Zong, Mengyu
[1
,2
]
Wang, Yangxiao
[3
,4
]
Zhang, Zhen
[3
,4
]
Zhang, Zhonghan
[3
,4
]
Wu, Anhua
[3
,4
]
Liu, Jie
[1
,2
,6
,7
]
Su, Liangbi
[3
,4
,5
]
机构：
[1] Shandong Normal Univ, Shandong Prov Engn & Tech Ctr Light Manipulat, Sch Phys & Elect, Jinan 250014, Shandong, Peoples R China
[2] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250014, Shandong, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Synthet Single Crystal Res Ctr SSCRC, CAS Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201899, Peoples R China
[5] CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China
[6] Shandong Normal Univ, Collaborat Innovat Ctr Light Manipulat & Applicat, Jinan 250358, Shandong, Peoples R China
[7] Shandong Normal Univ, Inst Data Sci & Technol, Jinan 250014, Shandong, Peoples R China
基金：
中国国家自然科学基金;
关键词：
Tm;
CaF2;
single-crystal fiber;
self-Q-switched;
wavelength-tunable;
pulsed laser;
around 2 mu m;
MU-M LASER;
OPERATION;
TM;
CW;
D O I：
10.35848/1882-0786/abb91c
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Self-Q-switched lasing was demonstrated for the first time around 2 mu m in Thulium (Tm) doped CaF2 single-crystal fiber (SCF) using a compact linear cavity. Maximum average output power of 1.17 W was obtained under 2.38 W absorbed pump power, corresponding to the slope efficiency of up to 56.01%. Self-Q-switched laser with a 1.736 mu s shortest pulse width at 48.80 kHz repetition rate was successfully realized. Besides, broad wavelength-tunable Tm:CaF2SCF laser in 1859-2040 nm region was operated. These results show that the Tm:CaF2SCF is a promising alternative for generating efficient micro diode-pumped pulsed lasers at 2 mu m. (c) 2020 The Japan Society of Applied Physics
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页数：5
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