用于~ 3 μm二极管泵浦激光器的掺铒晶体有源介质

IF 7.4 1区 物理与天体物理 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Richard Švejkar, Jan Šulc, Helena Jelínková
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引用次数: 23

摘要

采用4I11/2→4I13/2跃迁的铒离子激光器可产生2.7 ~ 3 μm光谱范围内的激光辐射。由于水的强吸收峰位于3 μm,因此一直在努力开发适合各种医疗应用的激光源,例如牙科,皮肤科,泌尿外科或外科。该波长范围内的激光辐射也可用于光谱学,作为光学参量振荡器的泵浦源,或用于进一步的中红外转换。本文综述了在2.7 ~ 3 μm光谱范围内产生激光辐射的掺铒活性介质(如Er:YAG、Er:YAP、Er:GGG、Er:SrF2、Er:YLF、Er:Y2O3、Er:KYW等)。在本文的第一部分,对特定的活性介质进行了详细的讨论。另一方面,实验结果总结了室温下所有掺铒样品在上(4I11/2)和下(4I13/2)激光能级下的吸收和发射截面光谱以及衰减时间。此外,还介绍了近年来在连续波和脉冲激光状态下取得的具有可调谐曲线的激光结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Er-doped crystalline active media for ~ 3 μm diode-pumped lasers

Lasers based on erbium ions using 4I11/2 ​→ ​4I13/2 transition can generate laser radiation in the spectral range from 2.7 ​μm to 3 ​μm. Since the strong absorption peak of water is located at 3 ​μm, there has been an effort to develop a suitable laser source for various medical applications, e.g. dentistry, dermatology, urology, or surgery. Laser radiation from this wavelength range can also be used in spectroscopy, as a pumping source for optical parametric oscillators, or for further mid-infrared conversion.

This paper represents an overview of the erbium-doped active media (e.g. Er:YAG, Er:YAP, Er:GGG, Er:SrF2, Er:YLF, Er:Y2O3, Er:KYW, etc.) for laser radiation generation in the spectral range 2.7–3 ​μm. In the first part of this paper, the particular active media are discussed in detail. On the other hand, the experimental results summarized absorption and emission cross-section spectra together with decay times at upper (4I11/2) and lower (4I13/2) laser levels of all tested Er-doped samples at room temperature. Moreover, laser results in CW and pulsed laser regime with tunability curves, achieved in recent years, are presented, too.

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来源期刊
Progress in Quantum Electronics
Progress in Quantum Electronics 工程技术-工程:电子与电气
CiteScore
18.50
自引率
0.00%
发文量
23
审稿时长
150 days
期刊介绍: Progress in Quantum Electronics, established in 1969, is an esteemed international review journal dedicated to sharing cutting-edge topics in quantum electronics and its applications. The journal disseminates papers covering theoretical and experimental aspects of contemporary research, including advances in physics, technology, and engineering relevant to quantum electronics. It also encourages interdisciplinary research, welcoming papers that contribute new knowledge in areas such as bio and nano-related work.
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