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MEDlCAL AND BlOLOGlCAL APPLlCATlONS
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absorption bands accuracy ambient amputation applications arcseconds array assessment atmospheric windows attenuated total reflection backscatter battery beam beam splitter black body Bolometer calibration clay dust coating weight colour cooling cost detection disease display dryer effective emissivity energy equipment field of view Figure filter flash Fourier Transform frequency fringes germanium heat losses illumination imaging systems industrial Infrared Astronomy infrared radiation InSb instrument insulation interferogram interferometer intruder isotherm laboratory laser lens limited lNFRARED TECHNOLOGY material measurement method microns mirror moisture content monitor noise normal observed on-line operating optical output plant Plessey polythene preamplifier produced pulse pyroelectric detector pyroelectric vidicon range recording reference wavelength refractive index resolution sample scanning sensitivity shown in Fig signal skin temperature spatial spectra spectrometers spectrum surface temperature survey technique telescope temperature difference thermal imaging thermal radiation thermal viewer transmission trap camera variation visible wavefront wavelength window