Importance

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Abstract

An optical receiving and data communications system for sensing materials of interest (e.g., drugs and/or explosives) in transportation systems such as buses, trucks, cars, trains, aircraft, and ships, and checkpoints such as building entrances, roadblocks, passenger boarding areas, and the like. The system can be included in the transportation system, and includes a fiber optic front end that focuses and/or concentrates light reflected from a target into the fiber filament for communication to an optical sensor. When the target is illuminated at a predetermined wavelength, a vapor plume and/or particulate matter associated therewith is energized such that change information is caused to occur and be received into the fiber system. The change information is communicated over a fiber communications network to a remote processing and analysis system for processing and analysis to determine its chemical components.

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First Claim