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Passively Q-switched all-fiber lasers generating cylindrical vector beams with 2-dimensional material saturable absorbers

机译:无源调Q开关全光纤激光器,产生带有二维材料可饱和吸收器的圆柱矢量光束

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摘要

In this paper, we present systematic experimental demonstrations of Q-switched all-fiber lasers generating cylindrical vector beam (CVB) outputs with 2D-material-based saturable absorbers, including graphene and black phosphorus (BP). The graphene and BP saturable absorbers are both fabricated by an optically driven method. Both radially and azimuthally polarized CVB laser pulses are realized by adjusting a pair of polarization controllers combined with an offset splice spot and a few-mode fiber Bragg grating. Our experimental effort provides a concise, reliable, and complete all-fiber laser route towards pulsed CVB emissions based on 2D-material saturable absorbers.
机译:在本文中,我们提供了Q开关全光纤激光器的系统实验演示,这些激光器使用基于石墨烯和黑磷(BP)的基于2D材料的可饱和吸收剂产生圆柱矢量束(CVB)输出。石墨烯和BP饱和吸收剂均通过光驱动方法制造。径向和方位极化CVB激光脉冲均通过调整一对与偏移拼接点和少数模式光纤布拉格光栅组合的极化控制器来实现。我们的实验工作为基于2D材料可饱和吸收剂的脉冲CVB发射提供了简洁,可靠和完整的全光纤激光路径。

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