窄线宽光纤激光器及其在光纤传感中的应用

Acta Optica Sinica(2015)

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Abstract
简要介绍了窄线宽激光器技术的现状.针对国内市场对进口窄线宽光纤激光器的依赖,研制了具有自主知识产权的分布反馈光纤激光器样机,突破了有源相移光纤光栅制作技术、隔声隔振封装和有效的功率放大等技术问题,样机功率达到35 mW,线宽小于3 kHz,相对强度噪声低于-115 dB/Hz,主要技术指标已基本接近NKT和NP等先进的国外产品.将样机应用于分布式光纤振动传感系统中,良好地实现了施加信号的解调,信噪比和稳定性完全满足应用要求,并且系统成本远低于进口产品.
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Key words
lasers,narrow line-width,distributed feedback fiber laser,sound insulation and vibration insulation,distributed fiber sensor
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