Development of a spectral-spatial calibration source for a Far-Infrared interferometer
2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop (UCMMT)(2015)
Abstract
The development of a spectral-spatial calibration source suitable for a double Fourier modulating interferometer at infrared wavelengths, or more generally a thermal IR or spectral imager, is described. In particular a calibrator is being developed by alternating, on the emitting surface, materials of different emissivities. Its characterization and the rationale behind this choice is given, together with some preliminary validation tests. Finally a discussion on the performances and future improvements is provided.
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Key words
spectral-spatial calibration source,far-infrared interferometer,double Fourier modulating interferometer,infrared wavelengths,spectral imager,thermal IR imager,emitting surface
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