输出脉冲均匀性更强的高重复率激光二极管侧泵浦猝发模式 Nd:YAG 激光器

IF 3.1 3区 物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION
Renpeng Yan , Haobo Xu , Yugang Jiang , Wei Wang , Rongwei Fan , Deying Chen , Xudong Li
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引用次数: 0

摘要

我们对高重复率侧泵浦猝发模式 Nd:YAG 激光器进行了理论和实验研究。对吸收泵浦功率分布和激光谐振器进行了精心优化,以扩大基模面积并提高热稳定性。在 1 ms 的泵浦持续时间和 10 Hz 的泵浦频率下,脉冲激光器的猝发能量、峰值功率和脉冲宽度分别达到了 0.29 J、347 kW 和 16 ns,Q 开关重复频率为 50 kHz。激光脉冲序列的最小变异系数保持在 5 % 以下。这项研究首次展示了以 50 kHz 频率运行的高能量、纳秒脉冲、侧泵浦 Nd:YAG 爆裂激光器的长期可靠输出。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High repetition-Rate laser diode side-Pumped burst-mode Nd:YAG laser with enhanced output pulse uniformity

A theoretical and experimental investigation is conducted on a high repetition-rate side-pumped burst-mode Nd:YAG laser. The absorbed pumping power distribution and laser resonator are meticulously optimized to enlarge the area of the fundamental mode and improve thermal stability. With the 1 ms pumping duration and a pumping frequency of 10 Hz, the pulsed laser’s burst energy, peak power, and pulse width achieve 0.29 J, 347 kW, and 16 ns, respectively, with the Q-switched repetition rate of 50 kHz. The minimum coefficient of variation for the laser pulse train remains below 5 %. This study represents the first demonstration of a long-term reliable output from a high-energy, nanosecond-pulsed, side-pumped Nd:YAG burst laser operating at 50 kHz.

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来源期刊
CiteScore
5.70
自引率
12.10%
发文量
400
审稿时长
67 days
期刊介绍: The Journal covers the entire field of infrared physics and technology: theory, experiment, application, devices and instrumentation. Infrared'' is defined as covering the near, mid and far infrared (terahertz) regions from 0.75um (750nm) to 1mm (300GHz.) Submissions in the 300GHz to 100GHz region may be accepted at the editors discretion if their content is relevant to shorter wavelengths. Submissions must be primarily concerned with and directly relevant to this spectral region. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry, engineering and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics, image processing and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring.
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