A portable, low-cost system for optical explosive detection based on a CMOS camera
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Humanitarian demining requires a variety of methods and instrumentation for effective mine clearance, since a wide range of materials are used in mine manufacturing. However, landmines release vapours over time that can be detected, for example, by sniffer dogs. Optical sensor systems are especially suited to this application due to the potential for lightweight, portable, low-cost systems that nevertheless have fast response times and ppb-level sensitivity to explosive vapours. In this paper we present a system for detection based on a low-cost Raspberry Pi platform with an integrated CMOS camera. The conjugated polymers Super Yellow and Polyfluorene are excited by an LED, and the quenching effect by DNB vapour is monitored by the camera to indicate the presence of explosives. The system shows potential as a user friendly, lightweight platform for explosive vapour sensing.
Gillanders , R , Samuel , I D W , Turnbull , G A & Campbell , I A 2016 , A portable, low-cost system for optical explosive detection based on a CMOS camera . in P A Ribeiro & M Raposo (eds) , Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS . vol. 4 , 58 , SciTePress , pp. 132-136 , Photoptics 2016 , Rome , Italy , 27/02/16 . https://doi.org/10.5220/0005739801300134conference
Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS
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