基于微纳光纤-单壁碳纳米管可饱和吸收体的被动调Q掺镱光纤激光器

康喆; 刘明奕; 刘承志; 李振伟; 马磊; 许阳; 秦伟平; 秦冠仕

doi:10.3788/fgxb20173805.0630

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基于微纳光纤-单壁碳纳米管可饱和吸收体的被动调Q掺镱光纤激光器

器件制备及器件物理 | 更新时间：2020-08-12

- 基于微纳光纤-单壁碳纳米管可饱和吸收体的被动调Q掺镱光纤激光器
- Passively Q-switched Yb³⁺-doped Fiber Laser Based on Microfiber-single Wall Carbon Nanotube Saturable Absorber
- 发光学报 2017年38卷第5期页码：630-635
- 作者机构：
  
  1. 中国科学院国家天文台长春人造卫星观测站,吉林长春,130117
  2. 吉林大学集成光电子国家重点联合实验室吉林大学实验区,吉林长春,130012
- 作者简介：
- 基金信息：
  
  国家自然科学基金（60908001，61077033，61378004，11274139，61605219）;吉林省青年科研基金（20160520085JH）资助项目
- DOI：10.3788/fgxb20173805.0630
  中图分类号： TN248.1
- 纸质出版日期：2017-5-5，
  
  收稿日期：2016-11-21，
  
  修回日期：2017-3-3，
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康喆, 刘明奕, 刘承志等. 基于微纳光纤-单壁碳纳米管可饱和吸收体的被动调Q掺镱光纤激光器[J]. 发光学报, 2017,38(5): 630-635

KANG Zhe, LIU Ming-yi, LIU Cheng-zhi etc. Passively Q-switched Yb3+-doped Fiber Laser Based on Microfiber-single Wall Carbon Nanotube Saturable Absorber[J]. Chinese Journal of Luminescence, 2017,38(5): 630-635
康喆, 刘明奕, 刘承志等. 基于微纳光纤-单壁碳纳米管可饱和吸收体的被动调Q掺镱光纤激光器[J]. 发光学报, 2017,38(5): 630-635 DOI： 10.3788/fgxb20173805.0630.

KANG Zhe, LIU Ming-yi, LIU Cheng-zhi etc. Passively Q-switched Yb3+-doped Fiber Laser Based on Microfiber-single Wall Carbon Nanotube Saturable Absorber[J]. Chinese Journal of Luminescence, 2017,38(5): 630-635 DOI： 10.3788/fgxb20173805.0630.

摘要

为实现具有高脉冲能量的调

脉冲激光输出，利用微纳光纤-单壁碳纳米管复合的方法制备可饱和吸收体，并对基于该类型可饱和吸收体器件的被动调

掺镱光纤激光器进行研究。采用拉伸法将普通单模石英光纤拉制成微纳光纤，将其与单壁碳纳米管溶液复合，进一步制备成全光纤集成型器件。将该器件置于环形腔掺镱光纤激光器中，利用976 nm半导体激光器作为抽运源。当抽运功率为53 mW时，实现了调

脉冲激光输出，激光中心波长为1 039 nm。进一步提升抽运功率至76 mW，可获得脉冲宽度为3.1 s、重复频率为25.5 kHz、单脉冲能量为941 nJ的调

脉冲激光输出。研究表明，利用微纳光纤制备的可饱和吸收体器件具有较高的损伤阈值，可用于实现高脉冲能量的激光输出。

Abstract

In order to realize

-switched fiber laser with high energy pulse

passively

-switched Yb

-doped fiber laser based on the microfiber-single wall carbon nanotube (SWCNT) saturable absorber (SA) was reported. The microfiber was fabricated by drawing the single mode silica fiber and then composite with the SWCNT solution

further on preparation of all fiber integrated devices. By inserting the SA in a Yb

-doped fiber laser ring cavity pumped by a 976 nm laser diode

stable passively

-switched pulse train occurs at 53 mW incident pump power. Increasing the pump power to 76 mW

3.1 s pulses at 1 039 nm with a repetition rate of 25.5 kHz are obtained

which corresponds to single pulse energy of 941 nJ. This result shows that the microfiber based SA can enhance the threshold of material damage and obtain high energy pulse laser.

关键词

激光器光纤激光器被动调Q碳纳米管微纳光纤

Keywords

lasersfiber laserspassivelyQ-switchedcarbon nanotubemicrofiber

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