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Detection of Liquid Hazardous Molecules Using Linearly Focused Raman Spectroscopy

机译:线性聚焦拉曼光谱法检测液体危险分子

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摘要

In security, it is an important issue to analyze hazardous materials in sealed bottles. Particularly, prompt nondestructive checking of sealed liquid bottles in a very short time at the checkpoints of crowded malls, stadiums, or airports is of particular importance to prevent probable terrorist attack using liquid explosives. Aiming to design and fabricate a detector for liquid explosives, we have used linearly focused Raman spectroscopy to analyze liquid materials in transparent or semi-transparent bottles without opening their caps. Continuous lasers with 532 nm wavelength and 58 mW/130 mW beam energy have been used for the Raman spectroscopy. Various hazardous materials including flammable liquids and explosive materials have successfully been distinguished and identified within a couple of seconds. We believe that our technique will be one of suitable methods for fast screening of liquid materials in sealed bottles.
机译:在安全方面,分析密封瓶中的有害物质是重要的问题。特别是,在拥挤的购物中心,体育馆或机场的检查站内,在很短的时间内迅速对密封的液体瓶进行无损检查,对于防止可能使用液体炸药的恐怖袭击尤其重要。为了设计和制造用于液体炸药的探测器,我们使用了线性聚焦拉曼光谱仪来分析透明或半透明瓶中的液体材料而无需打开瓶盖。拉曼光谱已使用具有532 nm波长和58 mW / 130 mW束能量的连续激光器。几秒钟之内就已经成功区分出各种危险物质,包括易燃液体和易爆物质。我们相信我们的技术将是用于快速筛选密封瓶中液体材料的合适方法之一。

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