Seebeck nanoantennas for the detection and characterization of infrared radiation
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Arrays of metallic thermocouples in the shape of spiral nanoantennas are proposed as infrared detectors, which use the thermoelectric properties of the metallic interfaces to generate electrical DC signals. The responsivity of these types of antennas is evaluated from both theoretical and numerical perspectives pointing out its potential as infrared sensors. Moreover, the same structures can be used to characterize the state of polarization of the optical near fields with a spatial resolution comparable to the wavelength. © 2014 Optical Society of America.
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Nanoantennas; Seebeck; metal nanoparticle; chemistry; computer simulation; conductometry; device failure analysis; devices; equipment design; infrared radiation; light; nanotechnology; photometry; radiation dose; radiation response; radiation scattering; radiometry; reproducibility; sensitivity and specificity; theoretical model; thermography; transducer; Computer Simulation; Conductometry; Equipment Design; Equipment Failure Analysis; Infrared Rays; Light; Metal Nanoparticles; Models, Theoretical; Nanotechnology; Photometry; Radiation Dosage; Radiometry; Reproducibility of Results; Scattering, Radiation; Sensitivity and Specificity; Thermography; Transducers
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