High-power, single-frequency mid-infrared laser based on a hybrid Fe: ZnSe amplifier

被引：0
作者：
Li, Enhao [1 ,4 ,5 ]
Uehara, Hiyori [1 ,2 ]
Tokita, Shigeki [3 ]
Zhao, Mingzhong [2 ]
Yasuhara, Ryo [1 ,2 ]
机构：
[1] SOKENDAI, Grad Univ Adv Studies, 322 6 Oroshi Cho, Toki 5095292, Japan
[2] Natl Inst Fus Sci, 322-6 Oroshi Cho, Toki 5095292, Japan
[3] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
[4] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech SIOM, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[5] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech SIOM, CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China
来源：
INFRARED PHYSICS & TECHNOLOGY | 2024年 / 136卷
基金：
日本学术振兴会;
关键词：
Mid-infrared laser; Single-frequency laser; Fe:ZnSe; Laser amplifier; QUANTUM-CASCADE LASER; CONTINUOUS-WAVE; FEZNSE LASER; MU-M; SPECTROSCOPY;
D O I：
10.1016/j.infrared.2023.105071
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This study proposes a high-power, single-frequency mid-infrared laser based on a quantum cascade laser (QCL) seeded Fe:ZnSe amplifier design. The Fe:ZnSe amplifier is injection-seeded with a 55-mW, 4.3-mu m distributed feedback QCL and can produce 390 mW laser output with an extraction efficiency of 14%, a beam quality factor of M-2 similar to 1.1, and a spectral linewidth of 29.6 MHz. Further, this study presents a theoretical analysis predicting the laser performance of the optimized amplifier system. The prospects for further improvement in performance and extension of the tuning capability are discussed.
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页数：5
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