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Research at St Andrews

A portable, low-cost system for optical explosive detection based on a CMOS camera

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

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.
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Details

Original languageEnglish
Title of host publicationProceedings of the 4th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS
EditorsPaulo A. Ribeiro, Maria Raposo
PublisherSciTePress
Pages132-136
Number of pages5
Volume4
ISBN (Print)9789897581748
DOIs
Publication statusPublished - 29 Feb 2016
EventPhotoptics 2016 - Rome, Italy
Duration: 27 Feb 201629 Jun 2016

Conference

ConferencePhotoptics 2016
CountryItaly
CityRome
Period27/02/1629/06/16

    Research areas

  • Explosives, Conjugated Polymer, Organic Semiconductors, Raspberry Pi, Imaging

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ID: 248907975

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