使用双折射滤波器的声光 Q 开关宽带可调谐单纵模 2 μm 激光器

IF 4.6 2区物理与天体物理 Q1 OPTICS Optics and Laser Technology Pub Date : 2024-11-27 DOI:10.1016/j.optlastec.2024.112195

Xikui Mu , Bingzheng Yan , Jiashuo An , Hao Zheng , Yibo Qin , Yaoyao Qi , Jie Ding , Zhenxu Bai , Yulei Wang , Zhiwei Lu

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引用次数: 0

摘要

波长为 2 μm 的单纵模脉冲激光器作为激光雷达光源广泛应用于气体检测领域。我们利用双折射滤波器和等效管展示了一种可调谐单纵模声光 Q 开关 Tm:YAP 激光器。吸收泵浦功率为 8.95 W 时，该激光器的脉冲持续时间为 139 ns，在 1 kHz 重复频率下的单脉冲能量为 1.37 mJ，SLM 比率超过 99.5%。通过调节双折射滤光片，中心波长可在 1887 nm 到 2003 nm 的大范围内调节。我们的研究成果为开发具有高功率、宽调谐和优异性能的紧凑型中红外固体激光器提供了一种有效方法。

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Acousto-optic Q-switched broadband tunable single-longitudinal-mode 2 μm laser using a birefringent filter

Single-longitudinal-mode pulse lasers operating at a wavelength of 2 μm are extensively utilized as lidar light sources in gas detection applications. We demonstrated a tunable single-longitudinal-mode acousto-optic Q-switched Tm:YAP laser by a birefringent filter and etalon. With the absorbed pump power of 8.95 W, the laser achieved a pulse duration of 139 ns and a single pulse energy of 1.37 mJ at 1 kHz repetition rate, with an SLM ratio exceeding 99.5 %. The central wavelength was tunable over a wide range from 1887 nm to 2003 nm by adjusting the birefringent filter. Our results provide an effective approach for developing compact mid-infrared solid-state lasers with high power, wide tuning and excellent performance.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems