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Fiber-optic infrared radiometry and thermometry

Multi-wavelength thermometers have typical applications in various branches of industry and research.
Infrared pyrometers and radiometers allow non-contact temperature measurements in a variety of environments. 
Fiber optic infrared thermometry allows close positioning of the fiber to the measured body. The fiber is sensitive in the broad IR spectral range serves as a waveguide to bring the radiation towards the detector.
Our measurements are based on multi-wavelength (ratio) thermometry. This method involves measurements of the spectral energy at two or more different spectral bands for establishment of the temperature based on the basic blackbody emittance curves. 
Based on advanced algorithms, measurements of materials where the emissivity is varying as a function of wavelength (non-gray body conditions) are possible.