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Sandia Develops Long-Range Remote Gas Sensor

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ALBUQUERQUE, N.M., Aug. 23 -- The US Department of Energy's Sandia Laboratories are developing a tiny remote sensor that relies on optics and microelectromechanical systems (MEMS) to detect dangerous gases from up to two miles away. Called the Polychromator, the device is a joint effort of Sandia Labs, the Massachusetts Institute of Technology -- which is designing the MEMS structures -- and Honeywell, which is performing the fabrication. The Polychromator uses a variation on a conventional gas analysis technique known as correlation spectroscopy. The device passes IR radiation through a...Read full article

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    Published: August 1999
    News & FeaturesSensors & Detectors

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