Abstract
The AIRIS Wide Area Detector is an imaging multispectral sensor that has been successfully tested in both ground and airborne configurations for the detection of chemical and biological agent simulants. The sensor is based on the use of a Fabry-Perot based tunable filter with a 256x256 pixel HgCdTe focal plane array providing a 32x32 degree field of regard with 10 meter spatial resolution at a range of 5 km. The sensor includes a real-time processor that produces an infrared image of the scene under interrogation overlaid with color-coded pixels indicating the identity and location of simulants detected by the sensor. We review test data from this sensor taken at Dstl Porton Down, NSWC Dahlgren, as well as from multiple test entries at Dugway Proving Ground. The data indicate the ability to detect release quantities from 0.15 to 360 kg at ranges of ~ 4.7 km including simultaneous multi-simulant releases.
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