Mr. Robert D. Sedat Profile

Robert D. Sedat

at US Coast Guard

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Proceedings Article | 26 May 2006 Paper

Vessel marking by helicopter for future relocation

Robert Sedat

Proceedings Volume 6219, 62190M (2006) https://doi.org/10.1117/12.664483

KEYWORDS: Reflectivity, Radar, Target detection, Fiber optic illuminators, Particles, Liquids, Forward looking infrared, Visible radiation, Sensors, Quantum dots

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The U.S. Coast Guard has identified a need to be able "mark" small vessels from a helicopter or other air asset. Such assets are fuel limited and must frequently break off a contact prior to arrival of boarding teams. Any means of enhancing the target detection range would reduce the number of contacts that are never relocated. It is desired to use existing CG sensors such as NVGs, FLIR or radar. Active devices are easily found and disabled. Consequently passive micro-tags such as luminescent particles (chemical luminescents, dyes, rare earth phosphors, quantum dots), and reflective chaff have been considered. Suitable candidates must be non-toxic, capable of being deployed non-lethally, and difficult to detect or defeat. Laser illuminated IR-reflective chaff has been demonstrated to be detectable at night from a range of five miles. An IR chemical luminescent is also still under consideration. Deployment systems and detection range testing are underway.

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