Laser-Based Systems for Standoff Detection of CWA: A Short Review
作者： M K Jindal , Mainuddin , S Veerabuthiran , A K Razdan
DOI: 10.1109/JSEN.2020.3030672
关键词:
摘要: In recent times, the use of Chemical Warfare (CW) agents against civilian and military by terrorists rogue countries are recurrent. The examples such attacks available in open literature. They highly dangerous due to their acute toxicity nature. tend stimulate paralyze nerve system body cause other toxic side effects. Once these chemicals released into atmosphere, timely detection identification same at standoff distances will help defensive forces take proper counter measures. Detection techniques as ion mobility spectrometry, infrared Raman FTIR, LIDAR, etc. have been used widely. Among all techniques, spectroscopy LIDAR (LIght Ranging) is only active remote method that can detect discriminate chemical distances. Infrared DIAL (Differential Absorption Lidar) a versatile technique for various chemicals. provide spatially resolved measurements with sufficient sensitivity (at few ppm levels) ranges several kilometers exploiting concept scattering absorption from atmosphere. main objective this review paper bring out details potential warfare agents, properties laser based sensors. emphasized more detail because long range capability, selectivity. An overview existing R&D commercial systems also discussed.
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