SESAM锁模Nd，Y，Gd:CaF2激光器，输出1065 nm飞秒脉冲

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

Infrared Physics & Technology Pub Date : 2025-09-16 DOI:10.1016/j.infrared.2025.106157

Linxuan Tang , Yanyan Xue , Xiaoyue Feng , Wenxin Li , Fei Tang , Zhen Zhang , Jie Liu , Jingjing Liu , Liangbi Su

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引用次数: 0

摘要

采用温度梯度法生长了Nd，Y，Gd:CaF2无序晶体，并对其超快激光特性进行了研究。利用790 nm光纤耦合激光二极管，在中心波长1065.5 nm处获得了稳定的连续锁模Nd，Y，Gd:CaF2激光器，脉冲持续时间为685 fs。锁模激光器的最大平均输出功率为156 mW，脉冲重复频率为81.06 MHz。这些结果表明，Nd，Y，Gd:CaF2晶体具有广谱，有望产生约1 μm的飞秒锁模激光。

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SESAM mode-locked Nd,Y,Gd:CaF2 laser delivering 1065 nm femtosecond pulses

A Nd,Y,Gd:CaF₂ disordered crystal was grown using the temperature gradient technique, and its ultrafast laser characteristics were studied. Using a 790 nm fiber coupled laser diode, a stable continuous-wave mode-locked Nd,Y,Gd:CaF₂ laser was achieved at the central wavelength of 1065.5 nm, and its pulse duration was 685 fs. The maximum average output power of 156 mW was obtained for the mode-locked laser, with a pulse repetition rate of 81.06 MHz. These results indicated that Nd,Y,Gd:CaF₂ crystals with broad spectrum are promising for producing femtosecond mode-locked laser around 1 μm.

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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.