Experimental research on continuous and Q-switched 2μm Tm<sup>3+</sup>-doped fiber lasers

Zhang Fengjuan; Wang Jiaxian

doi:10.13756/j.gtxyj.2015.05.013

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Experimental research on continuous and Q-switched 2μm Tm³⁺-doped fiber lasers

- Experimental research on continuous and Q-switched 2μm Tm³⁺-doped fiber lasers
- Study on Optical communication Issue 5, Pages: 41-43(2015)
- 作者机构：
  
  1. 无锡科技职业学院电子工程学院
  2. 华侨大学信息科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.05.013
  CLC： TN248
- Published：2015，
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[1]张凤娟,王加贤.2μm掺铥光纤激光器连续和调Q运转的实验研究[J].光通信研究,2015(05):41-43+54.

Zhang Fengjuan, Wang Jiaxian. Experimental research on continuous and Q-switched 2μm Tm³⁺-doped fiber lasers. [J]. (5):41-43(2015)
[1]张凤娟,王加贤.2μm掺铥光纤激光器连续和调Q运转的实验研究[J].光通信研究,2015(05):41-43+54. DOI： 10.13756/j.gtxyj.2015.05.013.

Zhang Fengjuan, Wang Jiaxian. Experimental research on continuous and Q-switched 2μm Tm³⁺-doped fiber lasers. [J]. (5):41-43(2015) DOI： 10.13756/j.gtxyj.2015.05.013.

摘要

采用二色镜和可变透过率腔镜作为谐振腔

实现了790nm半导体激光器端面泵浦下的双包层掺铥光纤激光器的连续和调Q运转。连续激光运转实验结果表明

在光纤长度和泵浦功率固定时

增益光纤存在激光输出功率最大情况下的最佳输出透过率

在70%最佳透过率时

得到激光中心波长1 930nm、输出功率5.9 W

斜率效率为46%。采用石墨烯分散液作为可饱和吸收体

插入增益光纤与输出镜之间

实现了掺铥光纤激光器的稳定被动调Q运转。当泵浦功率为3.4 W时

获得最大平均输出功率为39mW

对应的脉冲宽度为0.9μs

脉冲重复频率为67kHz

单脉冲能量为210nJ;平均输出功率、脉冲宽度与泵浦功率近似呈线性关系。

Abstract

With a dichroic mirror and a variable transmittance mirror as a resonant cavity

this paper realizes the continuous and Q-switching of a double-clad Tm3+-doped fiber laser pumped by a 792 nm laser diode.The experimental results show that the optimal output transmittance of the gain fiber exists when the pump power and fiber length are fixed and the laser power output is the largest.With 70% of the optimum transmittance

the obtained laser center wavelength is 1 930 nm

its output power is5.9 Wand the corresponding slope efficiency is 46%.Then it conducts the stable passive Q-switching of the fiber laser by using graphene dispersion liquid as a saturable absorber and inserting it between the gain fiber and the output mirror.When the pump power rises to 3.4 W

it obtains the maximum average output power of 39 mW with the corresponding pulse width of0.9μs

pulse repetition rate of 67 kHz and single pulse energy of 210 nJ.In addition

the average output power and pulse width are approximately linear with the incident pump power.

关键词

石墨烯掺铥光纤可饱和吸收体被动调Q

Keywords

grapheneTm3+-doped fibersaturable absorberpassively Q-switched

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School of Electronic Technology,Wuxi Professional College of Science and Technology

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Experimental research on continuous and Q-switched 2μm Tm3+-doped fiber lasers

DOI：10.13756/j.gtxyj.2015.05.013

摘要

Abstract

关键词

Keywords

references

Experimental research on continuous and Q-switched 2μm Tm³⁺-doped fiber lasers