Army

Drug testing device using hyperspectral imaging

Determination of whether a person's blood is oxygenated or deoxygenated by an acousto-optic based hyperspectral imager operating from 400 to 800 nm

Sensors

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An ARL scientist has developed a method for the detection of oxygen deficiency in the tissue of a human body as an indicator of illegal drug use without the need for touch or bodily contact. The method relies on generating hyperspectral images and comparing them to a reference image. The comparison indicates whether the subject’s blood is oxygenated or deoxygenated.

The system uses acousto-optic tunable filters in the acquisition of an image. Among the attractive features of AOTFs are their small size, light-weight, computer-controlled operation, large wavelength tuning range, and reasonably high spectral resolution. Additionally, their operation can be made ultra-sensitive by using advanced signal-processing algorithm.

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$3,000
$4,000
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2%
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Minimum Annual Royalty
$1,000
$1,000
$1,000
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40%
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