强激光与粒子束, 2012, 24 (12): 2807, 网络出版: 2013-01-14   

石墨烯可调谐被动调Q掺铒光纤激光器

Wavelength-tunable passively Q-switched erbium-doped fiber laser with graphene-based saturable absorber
作者单位
湖南大学 信息科学与工程学院, 微纳光电器件及应用教育部重点实验室, 长沙 410082
摘要
基于光学沉积方法,制备了石墨烯可饱和吸收体,并利用此可饱和吸收体搭建了环形腔结构的被动调Q掺铒光纤激光器,实现了稳定的调Q激光脉冲输出,其重复频率为5.1~14.2 kHz,最窄激光脉冲宽度为8 μs,最大平均功率为162.3 μW,且通过调节偏振控制器,中心波长在1556~1558 nm可调。
Abstract
A graphene-based Q-switcher is fabricated by the optical deposition of graphene in a fiber ferrule. The passively Q-switched Er-doped fiber ring laser with the Q-switcher as saturable absorber is made, which produces stable Q-switched pulse with pulse width of 8 μs and maximum output average power 162.3 μW. The repetition rate can be tuned from 5.1 kHz to 14.2 kHz with the increase of the pump power. The central wavelength can be tuned from 1556 nm to 1558 nm by rotating the polarization controller.
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张慧, 陈宇, 王志腾, 赵楚军, 张晗. 石墨烯可调谐被动调Q掺铒光纤激光器[J]. 强激光与粒子束, 2012, 24(12): 2807. Zhang Hui, Chen Yu, Wang Zhiteng, Zhao Chujun, Zhang Han. Wavelength-tunable passively Q-switched erbium-doped fiber laser with graphene-based saturable absorber[J]. High Power Laser and Particle Beams, 2012, 24(12): 2807.

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