2 089 nm调Q锁模Tm,Ho:CaYAlO4激光器

孙锐; 令维军; 陈晨; 董忠; 袁振; 许强; 张亚妮

doi:10.3788/fgxb20204103.0301

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2 089 nm调Q锁模Tm,Ho:CaYAlO₄激光器

器件制备及器件物理 | 更新时间：2020-08-12

- 2 089 nm调Q锁模Tm,Ho:CaYAlO₄激光器
- Passively Q-switched Mode-locked Tm,Ho: CaYAlO₄ Laser Operating at 2 089 nm
- 发光学报 2020年41卷第3期页码：301-307
- 作者机构：
  
  1. 天水师范学院激光技术研究所,甘肃天水,741001
  2. 宝鸡文理学院物理与光电技术学院,陕西宝鸡,721016
- 作者简介：
- 基金信息：
  
  国家重点研发计划（2017YFB045200）();国家自然科学基金（11774257，61564008，11647008，11504416）();天水师范学院研究生创
- DOI：10.3788/fgxb20204103.0301
  中图分类号：
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孙锐, 令维军, 陈晨等. 2 089 nm调Q锁模Tm,Ho:CaYAlO4激光器[J]. 发光学报, 2020,41(3): 301-307

SUN Rui, LING Wei-jun, CHEN Chen etc. Passively Q-switched Mode-locked Tm,Ho: CaYAlO4 Laser Operating at 2 089 nm[J]. Chinese Journal of Luminescence, 2020,41(3): 301-307
孙锐, 令维军, 陈晨等. 2 089 nm调Q锁模Tm,Ho:CaYAlO4激光器[J]. 发光学报, 2020,41(3): 301-307 DOI： 10.3788/fgxb20204103.0301.

SUN Rui, LING Wei-jun, CHEN Chen etc. Passively Q-switched Mode-locked Tm,Ho: CaYAlO4 Laser Operating at 2 089 nm[J]. Chinese Journal of Luminescence, 2020,41(3): 301-307 DOI： 10.3788/fgxb20204103.0301.

摘要

首次采用氧化石墨烯可饱和吸收体作为锁模启动元件在Tm，Ho:CaYAlO,4,激光器中实现了稳定的被动调,Q,锁模运转。在3%输出耦合镜下，Tm，Ho:CaYAlO,4,固体激光器获得了最低为293 mW的连续光出光阈值。在腔内引入氧化石墨烯可饱和吸收体后，当吸收抽运功率增大到1 859 mW时，Tm，Ho:CaYAlO,4,激光器进入稳定的调,Q,锁模运转状态。当抽运功率达到3 W时，获得中心波长为2 089 nm、斜效率为10.1%、对应最大输出功率为213 mW的被动调,Q,锁模脉冲，重复频率为100 MHz，调,Q,包络中锁模脉冲的调制深度接近100%。

Abstract

Employing graphene oxide as a saturable absorber, we experimentally demonstrated a passively ,Q,-switched mode-locked (QML) operation of a Tm,Ho:CaYAlO,4, bulk laser. In this case, the absorbed threshold power of Tm,Ho:CaYAlO,4, bulk laser was measured as 293 mW by using a 3% output coupler. When the absorption pumping power reached 1 859 mW, it entered a stable ,Q,-switched mode-locked operation state. And when the pumping power reached 3 W, the corresponding maximum output power is 213 mW, corresponding to a slope efficiency of 10.1%, the central wavelength of 2 089 nm, the repetition frequency of 100 MHz, and the modulation depth being close to 100%.

关键词

TmHo:CaYAlO4激光器被动调Q锁模氧化石墨烯可饱和吸收体

Keywords

TmHo:CaYAlO4 laserpassively Q-switched mode-lockedgraphene oxidesaturable absorber

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