POLARIMETRIC EMISSION PYROMETER FOR TEMPERATURE MEASUREMENT

THE DESIGN, CONSTRUCTION AND TESTING OF A POLARIMETRIC EMISSION PYROMETER (PEP) IS PROPOSED. THE PEP WILL MEASURE THE SPECTRAL EMISSIVITY AND OPTICAL CONSTANTS OF SOLID OR LIQUID SURFACES IN REAL-TIME CONCURRENT WITH THE MEASUREMENTOF THE APPARENT TEMPERATURE, AND CONSEQUENTLY PROVIDE A DYNAMIC MEASUREMENT OF THE TRUE THERMODYNAMIC TEMPERATURE. THE DEVICE IS SAMPLE INDEPENDENT AND WORKS EXTREMELY WELL ON SPECULAR AND NEAR-SPECULAR SURFACES. IN ADDITION THE ERRORS IN THE EMITTANCE MEASUREMENT ARE TEMPERATURE INDEPENDENT. INITIALLY THE DEVICE WILL COVER A TEMPERATURE RANGE OF 800 - 2500 K. THIS WOULD PROBABLY BE THE FIRST ABSOLUTE THERMODYNAMIC TEMPERATURE AND OPTICAL PROPERTY MEASURING DEVICE AVAILABLE.