High energy and high peak power GHz burst-mode all-fiber laser with uniform envelope and tunable intra-burst pulses

IF 5.2 1区物理与天体物理 Q1 OPTICS

High Power Laser Science and Engineering Pub Date : 2023-08-09 DOI:10.1017/hpl.2023.62

Shuailin Liu, Bin Zhang, Yuanzhuang Bu, D. Zhao, Xiran Zhu, Linyong Yang, J. Hou

引用次数: 0

Abstract

We report a Yb-doped all-fiber laser system generating burst-mode pulses with high energy and high peak power at GHz intra-burst repetition rate. To acquire the uniform burst envelope, a double-pre-compensation structure with an arbitrary waveform laser diode driver and an AOM is utilized for the first time. The synchronous pumping is utilized to the system to reduce the burst repetition rate to 100 Hz and suppress the amplified spontaneous emission (ASE) effect. By adjusting gain of every stage, the uniform envelopes with different output energies can be easily obtained. The intra-burst repetition rate can be tuned from 0.5 to 10 GHz actively modulated by an electro-optic modulator. Optimized by timing control of 8 channels of analog signal and amplified by 7 stages of Yb-doped fiber amplifier,

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具有均匀包络和可调突发内脉冲的高能量和峰值功率GHz突发模式全光纤激光器

我们报道了一种以GHz脉冲内重复率产生高能量和高峰值功率的掺镱全光纤激光系统。为了获得均匀的脉冲包络线，首次采用了由任意波形激光二极管驱动和AOM组成的双预补偿结构。系统利用同步抽运将脉冲重复频率降低到100hz，抑制了放大自发发射效应。通过调整各级增益，可以得到不同输出能量的均匀包络。通过电光调制器，可以将突发内重复频率从0.5 GHz调节到10 GHz。通过8路模拟信号的时序控制进行优化，通过7级掺镱光纤放大器进行放大;

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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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.