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    Sensor with 100,000 times Higher Sensitivity could Bolster Thermal Imaging

    October 2, 2020, Categories  Physics, Technology/Electronics

    The graphene bolometer sensor detects electromagnetic radiation by measuring the temperature rise as the photons are absorbed into the sensor. Graphene is a two dimensional, one-atom layer thick material. The researchers achieved a high bolometer sensitivity by incorporating graphene in the microwave antenna.

    Better detection of microwave radiation will improve thermal imaging, electronic warfare, radio communications. Army-funded research developed a new microwave radiation sensor with 100,000 times higher sensitivity than currently available commercial sensors. Researchers said better detection of microwave radiation will enable improved thermal imaging, electronic warfare, radio communications and radar.

    Researchers published their study in the peer-reviewed journal Nature...

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