100 mhz以上脉冲重复率的短中红外瓦级全光纤非线性脉冲压缩器

IF 5.2 1区物理与天体物理 Q1 OPTICS

High Power Laser Science and Engineering Pub Date : 2022-12-23 DOI:10.1017/hpl.2022.45

Jingcheng Shang, Chao Mei, Shengzhi Zhao, Yizhou Liu, Kejian Yang, C. Wang, Tao Li, T. Feng

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引用次数: 0

摘要

本文首次报道了一种基于两段正色散光纤(NDF)的2 μm全光纤非线性脉冲压缩器，该压缩器具有瓦特级的高功率缩放能力和13.7的高脉冲压缩比。利用基于ndf的全光纤非线性脉冲压缩器，将重复频率为101.4 MHz、450fs的激光脉冲压缩到35.1 fs，在2 μm波长区域产生5.2个光振荡周期。输出平均功率达到1.28 W，这是以前的2 μm全光纤非线性脉冲压缩器在100 MHz以上的高脉冲重复率所没有达到的最高输出功率。对全光纤非线性脉冲压缩机内超快脉冲的动态演化进行了数值分析，与实验结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Short mid-infrared watt-level all-fiber nonlinear pulse compressor above 100-MHz pulse repetition rate

Abstract We firstly report a 2-μm all-fiber nonlinear pulse compressor based on two pieces of normal dispersion fiber (NDF), which enables a high-power scaling ability of watt-level and a high pulse compression ratio of 13.7. With the NDF-based all-fiber nonlinear pulse compressor, the 450-fs laser pulses with a repetition rate of 101.4 MHz are compressed to 35.1 fs, corresponding to a 5.2 optical oscillation cycle at the 2-μm wavelength region. The output average power reaches 1.28 W, which is believed to be the highest value never achieved from the previous 2-μm all-fiber nonlinear pulse compressors with a high pulse repetition rate above 100 MHz. The dynamic evolution of the ultrafast pulse inside the all-fiber nonlinear pulse compressor is numerically analyzed, matching well with the experimental results.

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来源期刊

High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics

CiteScore

7.10

自引率

4.20%

发文量

401

审稿时长

21 weeks

期刊介绍： High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.