一种简单稳定的亚皮米级2.8 μm全固态单纵模Er:CaF2激光器

IF 3.4 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION

Infrared Physics & Technology Pub Date : 2025-08-24 DOI:10.1016/j.infrared.2025.106099

Mengyu Zong , Mingyang Zheng , Jingjing Liu , Jie Liu , Liangbi Su

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引用次数: 0

摘要

我们展示了一种全固态中红外单模激光器。通过将Fabry-Perot标准子插入紧凑的Er:CaF2激光腔中，成功地获得了稳定高效的亚皮米级2725.7 nm单纵模激光器，计算出激光线宽约为29 MHz (0.72 pm)，对应的最大输出功率为201 mW。实验结果表明，在3 μm区域，腔内法布里-珀罗标准子方法不仅具有操作简单、系统紧凑的优点，而且可以实现高效、稳定的单纵模激光。

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A simple and stable sub-picometer level 2.8 μm all-solid-state single-longitudinal mode Er:CaF2 laser

We have demonstrated an all-solid-state mid-infrared region single-longitudinal mode laser. By inserting Fabry-Perot etalons into compact Er:CaF₂ laser cavity, the stable and efficiency sub-picometer level 2725.7 nm single-longitudinal mode laser was successfully achieved, the laser linewidth was calculated about 29 MHz (0.72 pm), with corresponding maximum output power of 201 mW. Experimentally, for 3 μm region, the intra-cavity Fabry-Perot etalon method not only have advantages of simply operation and compact system, but also can achieve high efficiency and stable single-longitudinal mode laser.

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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.