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Fiber Sensor Detects Trace Amounts of Explosives

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A small optical fiber sensor detects explosives in concentrations as low as 6.3 ppm, which could mean big things in the fight against terrorism. A team from the University of Adelaide, in collaboration with the Australian Defense Science and Technology Organization, has developed a fluorescent conjugated polymer that emits red light when illuminated by a green laser. The presence of explosives is detected by the reduction in the amount of red light emitted, with analysis time totaling only a few minutes. Inner walls of a suspended core fiber. The inset shows a wide-angle view of...Read full article

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    Published: May 2014
    AustraliaAustralian Research CouncildefenseEuropeexplosivesfiber opticsforensicsglass fibersInstitute for Photonics and Advanced SensingLight SourcesOpticsResearch & TechnologyTech PulseUniversity of AdelaideAustralian Defense Science and Technology Organizationoptical fiber sensorDr. Georgios TsiminisScience Fellowcapillary actionLasers

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