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Femtosecond Yb-doped tapered fiber pulse amplifiers with peak power of over hundred megawatts
Cao, Xue1,2,3; Li, Qianglong1,2,3; Li, Feng1; Zhao, Hualong1; Zhao, Wei1; Wang, Yishan1; Li, Dongjuan1; Yang, Yang1; Wen, Wenlong1; Si, Jinhai2
作者部门瞬态光学研究室
2023-02-01
发表期刊Optics Express
ISSN10944087
卷号31期号:4页码:5507-5518
产权排序1
摘要

Ultrafast fiber lasers combining high peak power and excellent beam quality in the 1-μm wavelength range have been explored to applications in industry, medicine and fundamental science. Here, we report generation of a high-energy sub 300 fs polarization maintaining fiber chirped pulse amplification (CPA) system by using a Yb-doped large mode area tapered polarization maintaining (PM) optical fiber with the core/cladding diameters of 35/250 μm at the thin end and 56/400 μm at the thick end. The taper fiber design features a confined core for selective gain amplification and multi-layer cladding for enhanced suppression of higher order modes. In this regime, we have demonstrated 266 fs pulse amplification with peak power of up to 132 MW at a repetition rate of 2 MHz and high beam quality with measured M2 value of 1.1∼1.3. To the best of our knowledge, it is the highest peak power reported in such tapered Yb-doped fiber (T-YDF) amplifier in the femtosecond regime. This work indicates the great potential of the T-YDF to realize further power scaling, high laser efficiency, and excellent beam quality in high-power femtosecond fiber lasers. © 2023 Optica Publishing Group.

DOI10.1364/OE.480637
收录类别SCI ; EI
语种英语
WOS记录号WOS:000942088500002
出版者Optica Publishing Group (formerly OSA)
EI入藏号20230613553610
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/96329
专题瞬态光学研究室
通讯作者Li, Feng
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Shaanxi Key Lab of Information Photonic Technique, School of Electronics and Information Engineering Xi'an Jiaotong University, Xi'an; 710049, China;
3.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Cao, Xue,Li, Qianglong,Li, Feng,et al. Femtosecond Yb-doped tapered fiber pulse amplifiers with peak power of over hundred megawatts[J]. Optics Express,2023,31(4):5507-5518.
APA Cao, Xue.,Li, Qianglong.,Li, Feng.,Zhao, Hualong.,Zhao, Wei.,...&Si, Jinhai.(2023).Femtosecond Yb-doped tapered fiber pulse amplifiers with peak power of over hundred megawatts.Optics Express,31(4),5507-5518.
MLA Cao, Xue,et al."Femtosecond Yb-doped tapered fiber pulse amplifiers with peak power of over hundred megawatts".Optics Express 31.4(2023):5507-5518.
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