Graphene-Silver Based Passive Q-Switcher

N. A. H. Jasni, S. Zuikafly, H. Yahaya, M. Abdullah, F. Ahmad
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引用次数: 1

Abstract

Pulsed fiber laser has gain massive attention among researchers. As one of the recognized methods in generating pulsed lasers, passive Q-switching technique in 1.5 micrometer region was used in this work. A graphene-silver composite (Gr-Ag) was integrated as the saturable absorber (SA) in this work. For ease of integration, a free-standing SA film was fabricated by using chitin as the host polymer. The pulsed fiber laser was generated within the input pump power of 135.7 mW to 181.5 mW. Distinct trends of repetition rate and pulse width was observed where the former shows an increasing trend and vice versa for the latter. At 181.5 mW, pulsed laser with repetition rate and pulse width at 59.97 kHz and 2.74 µs, respectively were recorded while the pulse energy and instantaneous peak power were at 5.64 nJ and 1.93 mW, respectively. The findings from this work have shown Gr-Ag SA as a suitable candidate in Q-switched pulsed laser generation.
石墨烯-银基被动调q器
脉冲光纤激光器受到了研究人员的广泛关注。作为一种公认的产生脉冲激光器的方法,本研究采用了1.5微米区域的被动q开关技术。本文将石墨烯-银复合材料(Gr-Ag)集成为可饱和吸收剂(SA)。为了便于整合,以几丁质为主体聚合物制备了独立的SA膜。在135.7 ~ 181.5 mW的输入泵浦功率范围内产生脉冲光纤激光器。重复率和脉宽的明显趋势是观察到前者显示增加的趋势,而后者则相反。在181.5 mW时,脉冲激光的重复频率为59.97 kHz,脉冲宽度为2.74µs,脉冲能量为5.64 nJ,瞬时峰值功率为1.93 mW。这项工作的发现表明,Gr-Ag SA是q开关脉冲激光产生的合适候选者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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