A passively Q-switched operation of Tm:YAP laser with a Nb2AlC-based saturable absorber

被引：10

作者：

Hu, Yanyang ^{[1
]}

Yang, Xining ^{[1
]}

Li, Linjun ^{[1
]}

Gao, Qiong ^{[2
]}

Li, Shuangcheng ^{[1
]}

Wu, Zhengyang ^{[1
]}

Yang, Yuqiang ^{[3
]}

Cui, Haoyu ^{[4
]}

Zhou, Sheng ^{[1
]}

机构：

[1] Harbin Univ Sci & Technol, Coll Measurement & Control Technol & Commun Engn, Heilongjiang Prov Key Lab Laser Spect Technol & Ap, Harbin 150080, Peoples R China

[2] Harbin Normal Univ, Sch Phys & Elect Engn, Key Lab Photon & Elect Bandgap Mat, Minist Educ, Harbin 150025, Peoples R China

[3] Guangdong Ocean Univ, Sch Elect & Informat Engn, Zhanjiang 524088, Peoples R China

[4] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150086, Heilongjiang, Peoples R China

来源：

OPTIK | 2022年 / 256卷

关键词：

Nb2AlC; nonlinear optical characteristic; Passive Q-switched; Tm:YAP laser; OPTICAL PARAMETRIC OSCILLATOR; FIBER;

D O I：

10.1016/j.ijleo.2022.168743

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

As a new two-dimensional MXene material, Nb2AlC has a wide range of applications due to its superior optical, physical, and chemical properties. In this paper, we prepared a Nb2AlC-based saturable absorber (SA) and demonstrated its nonlinear absorption performances by a 2-mu m scope nanosecond laser. Based on Nb2AlC SA, an 1.62-W average output power and a 850-ns pulse duration at 135 kHz were obtained from a passively Q-switched Tm:YAP (PQS) laser with a 10.34-W pump power, and a 12.00-mu J pulse energy was achieved in the experiment, corresponding to a central output wavelength of 1987.2 nm and an optical-optical conversion efficiency of 13.5%. In addition, beam quality factors less than 1.10 in x-axis direction and y-axis direction were achieved from the PQS Tm:YAP laser.

引用

页数：8

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