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Seeing Heat in an Uncool Way

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Optical probing offers readout of thermal transducers without the need for wiring architectures.

Hank Hogan

Putting a new twist on an old idea, researchers from Oak Ridge National Laboratory in Tennessee, L-3 Communications Cincinnati Electronics in Mason, Ohio, and The Pennsylvania State University in Freeport have built an infrared imager out of metallized microcantilevers. An infrared imaging chip has been created using cantilevers as pixels. Each cantilever is formed from a pair of materials with disparate coefficients of thermal expansion — in this case, a layer of gold atop a layer of silicon nitride. The uncooled imager is an updating and miniaturization of an idea that is more than...Read full article

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    Published: November 2006
    Communicationsindustrialinfrared imagerIR imagersmicrocantileversResearch & TechnologySensors & DetectorsTech Pulse

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