| 基于SESAM被动调Q的激光二极管泵浦Yb∶CaYAlO_4脉冲激光器 |
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| 引用本文： | 唐睿,高子叶,吴正茂,夏光琼.基于SESAM被动调Q的激光二极管泵浦Yb∶CaYAlO_4脉冲激光器[J].中国光学,2019,12(1):167-178. |
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| 作者姓名： | 唐睿 高子叶 吴正茂 夏光琼 |
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| 作者单位： | 西南大学 物理科学与技术学院, 重庆 400715 |
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| 基金项目： | 国家自然科学基金项目（No.61475127，No.61575163，No.61775184） |
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| 摘 要： | 采用发射波长约为976 nm的半导体激光器作为泵浦源,Yb~(3+)掺杂浓度为1. 5at.%、通光长度为2 mm的Yb∶CaYAlO_4晶体作为增益介质,本文提出了一种基于半导体可饱和吸收镜(SESAM)被动调Q的激光二极管泵浦Yb∶CaYAlO_4以获取稳定脉冲输出的方案。通过合理设计谐振腔,实现了稳定的被动调Q激光脉冲输出,并分析了泵浦功率的大小对输出脉冲的重复频率、脉冲宽度、单脉冲能量以及脉冲峰值功率的影响。
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| 关 键 词： | Yb:CaYAlO4晶体 被动调Q 半导体可饱和吸收镜 激光二极管 |
| 收稿时间： | 2018-03-14 |
Output characteristics of diode-pumped passively Q-switched Yb: CaYAlO4 pulsed laser based on a SESAM |
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| TANG Rui,GAO Zi-ye,WU Zheng-mao,XIA Guang-qiong.Output characteristics of diode-pumped passively Q-switched Yb: CaYAlO4 pulsed laser based on a SESAM[J].Chinese Optics,2019,12(1):167-178. |
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| Authors: | TANG Rui GAO Zi-ye WU Zheng-mao XIA Guang-qiong |
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| Institution: | School of Physical Science and Technology, Southwest University, Chongqing 400715, China |
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| Abstract: | By utilizing a fiber-coupled laser diode emitting at a wavelength of around 976 nm as a pump source and a Yb:CaYAlO4 crystal with a Yb3+ ion doping concentration of 1.5at.% and a thickness of 2 mm as the gain medium, a scheme of laser diode-pumped Yb:CaYAlO4 for passively Q-switched pulsed lasers using a semiconductor saturable absorber mirror(SESAM) is proposed. By reasonably designing the resonant cavity, a stable passively Q-switched pulsed output is achieved. Furthermore, the influence of the pump power on the pulse repetition rate, pulse width, single pulse energy and peak power are analyzed. |
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| Keywords: | Yb:CaYAlO4 crystal passive Q-switched semiconductor saturable absorber mirror laser diode |
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