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在非线性环形镜中使用色散渐减锥形光纤的全光纤双波长被动调Q光纤激光器。

All-fiber dual wavelength passive Q-switched fiber laser using a dispersion-decreasing taper fiber in a nonlinear loop mirror.

作者信息

Ahmad Harith, Dernaika Mohamad, Harun Sulaiman Wadi

出版信息

Opt Express. 2014 Sep 22;22(19):22794-801. doi: 10.1364/OE.22.022794.

DOI:10.1364/OE.22.022794
PMID:25321748
Abstract

This paper describes a proposal and successful demonstration of a dual wavelength all-fiber passively Q-switched erbium-doped fiber ring laser. The Q-switch operation was realized by using a nonlinear loop mirror that incorporated an unbalanced dispersion-decreasing taper fiber to act as a saturable absorber without additional elements. This setup enabled a fiber ring laser to achieve a performance of 48.7 kHz repetition rate with pulse duration of around 3.2 μs and approximate pulse energy of 20 nJ.

摘要

本文描述了一种双波长全光纤被动调Q掺铒光纤环形激光器的方案及成功演示。通过使用非线性环镜实现调Q操作，该非线性环镜包含一个不平衡色散渐减锥形光纤作为饱和吸收体，无需额外元件。这种设置使光纤环形激光器能够实现48.7kHz的重复频率、约3.2μs的脉冲持续时间和约20nJ的近似脉冲能量的性能。

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