Recent advances for diode-pumped CW Pr:YLF lasers in power scaling at different wavelengths

IF 3.1 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION Infrared Physics & Technology Pub Date : 2024-10-09 DOI:10.1016/j.infrared.2024.105578

Lei Huang , Xuesen Xu , Nana Zhang , Minyue Yuan , Sen Qiu , Kuan Ye , Wu Pan , Renpu Li , Yongrui Guo

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Abstract

Visible lasers based on blue laser diodes (LDs) pumped trivalent rare-earth ions doped crystal have recently attracted growing attention due to their advantages of high-efficiency, compact structure, and low cost, having wide applications in the fields of laser displays, biomedicine, material processing and so on. Pr:YLF lasers have been widely researched and further developed for the excellent spectral characteristics of Pr:YLF crystals. Specifically, LD-pumped continuous-wave (CW) Pr:YLF lasers have attained significant progress in lasing output performance, including output power scaling, emission wavelength expansion, and output mode diversification with the maturity of blue LDs. This paper mainly reviews the recent research progress on output performance improvement and provides insights into the further development trend of LD-pumped CW Pr:YLF lasers, aiming to provide a useful reference for the development of LD-pumped CW Pr:YLF lasers in the future.

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二极管泵浦 CW Pr:YLF 激光器在不同波长功率扩展方面的最新进展

基于蓝色激光二极管（LDs）泵浦的三价稀土离子掺杂晶体的可见光激光器因其高效率、结构紧凑、成本低廉等优点而受到越来越多的关注，在激光显示、生物医学、材料加工等领域有着广泛的应用。由于 Pr:YLF 晶体具有优异的光谱特性，Pr:YLF 激光器得到了广泛的研究和进一步发展。具体而言，随着蓝光 LD 的成熟，LD 泵浦连续波（CW）Pr:YLF 激光器在激光输出性能方面取得了重大进展，包括输出功率扩展、发射波长扩展和输出模式多样化。本文主要回顾了近年来在提高输出性能方面的研究进展，并对 LD 泵浦 CW Pr:YLF 激光器的进一步发展趋势提出了见解，旨在为未来 LD 泵浦 CW Pr:YLF 激光器的发展提供有益的参考。

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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.