Dissemination of ultraprecise measurements in radiometry and remote sensing within 100-3500K temperature range based on blackbody sources developed in VNIIOFI

Victor I. Sapritsky; Sergey A. Ogarev; Boris B. Khlevnoy; Mikhail L. Samoylov; Vladimir B. Khromchenko; Svetlana P. Morozova

doi:10.1117/12.453803

18 December 2002 Dissemination of ultraprecise measurements in radiometry and remote sensing within 100–3500K temperature range based on blackbody sources developed in VNIIOFI

Victor I. Sapritsky, Sergey A. Ogarev, Boris B. Khlevnoy, Mikhail L. Samoylov, Vladimir B. Khromchenko, Svetlana P. Morozova

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Proceedings Volume 4818, Infrared Spaceborne Remote Sensing X; (2002) https://doi.org/10.1117/12.453803
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The large variety of high-precision unique blackbody sources: those operating at fixed temperatures provided by phase transitions of metals and metal-carbon eutectics, and variable-temperature ones had been designed in VNIIOFI for high-precision radiometry, radiation thermometry and spaceborne remote sensing within a 100 to 3500K temperature range. Paper reviews the blackbodies (BBs) ranged to low, middle and high temperatures, and describes spectral radiance and irradiance calibration facilities on the base of these BBs in IR and V-UV spectral ranges. The latest investigations of high-temperature fix-points based on metal-carbon eutectics Re-C (2748K) demonstrated an excellent reproducibility of freezing plateau (up to 0.01% in terms of radiation temperature) between series of measurements/crucibles, and about 0.003% within a sample measurement session, i.e. better than 100mK. Further Re-C (spectral irradiance measurements) and TiC-C (3057° C) eutectics are being investigated for use as high-stable radiance/irradiance sources above the conventionally assigned values of temperatures of ITS-90.

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Victor I. Sapritsky, Sergey A. Ogarev, Boris B. Khlevnoy, Mikhail L. Samoylov, Vladimir B. Khromchenko, and Svetlana P. Morozova "Dissemination of ultraprecise measurements in radiometry and remote sensing within 100–3500K temperature range based on blackbody sources developed in VNIIOFI", Proc. SPIE 4818, Infrared Spaceborne Remote Sensing X, (18 December 2002); https://doi.org/10.1117/12.453803

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