基于多损耗调制技术的YAG脉冲激光器

IF 3.1 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION

Infrared Physics & Technology Pub Date : 2025-02-24 DOI:10.1016/j.infrared.2025.105795

Qian Yang, Yu’ang Liu, Zhiyuan Jing, Chunting Wu, Lanlan Gao

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引用次数: 0

摘要

窄线宽，高亮度2 μm脉冲激光器为高精度应用提供了显着优势，包括微加工，医疗和光谱分析。该研究首次成功演示了Tm: YAG 2 μm脉冲激光器，其特点是线宽窄，亮度高。该激光系统包含一个基于MXene ti3c2tx的可饱和吸收器（SA）、一个声光调制器（AOM）和一个法布里-帕姆罗（F-P）标准子。在泵浦功率为10.17 W，重复频率为5 kHz的条件下，激光器的最小脉冲宽度为148.8 ns，峰值功率为0.81 kW，输出中心波长为2014.00 nm，线宽为0.24 nm，光束质量因子M2 = 1.13。

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Tm: YAG pulsed laser based on multi-loss modulation technology

Narrow linewidth, high-brightness 2 μm pulsed lasers offer significant advantages for high-precision applications, including micromachining, medical treatments, and spectral analysis. This study presents the first successful demonstration of a Tm: YAG 2 μm pulsed laser, distinguished by its narrow linewidth and high brightness. The laser system incorporates an MXene Ti₃C₂Tx-based saturable absorber (SA), an acoustic-optic modulator (AOM), and a Fabry-Pérot (F-P) etalon. With a pump power of 10.17 W and a repetition rate of 5 kHz, the laser achieves a minimum pulse width of 148.8 ns, a peak power of 0.81 kW, an output central wavelength of 2014.00 nm, a linewidth of 0.24 nm, and beam quality factors of M² = 1.13.

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来源期刊

Infrared Physics & Technology 物理-光学

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.