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Nanoantennas improve infrared sensing

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Ashley N. Rice, [email protected]

Nanoantennas with “slots” that correspond to mid-IR wavelengths are a new way to tune IR light into mechanical action – which could lead to more sensitive IR cameras and more compact chemical-analysis techniques. Existing IR detectors use cryogenically cooled semiconductors or microbolometers to correlate changes in electrical resistance to temperatures. Both techniques require expensive, bulky equipment to be sensitive enough for spectroscopy applications. The optomechanical thermal IR detector developed at the University of Pennsylvania, however, works by...Read full article

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    Photonics Spectra
    Aug 2013
    Americascameraschemical-analysis techniquesdisposable silicon chipErtugrul CubukcuFei Yifiber interferometerimaginginfrared camerasinfrared sensingmid-infrared tuningnanonanoantennasnight-vision camerasoptomechanical thermal infrared detectorPennsylvaniaResearch & TechnologySensors & Detectorsslot nanoantennasspectroscopyTech PulseTest & MeasurementUniversity of Pennsylvania

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