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New CIE Report on Spectroradiometry

CIE Logo10 August 2022 – Under the scientific direction of Instrument Systems, the Technical Committee TC2-80 of the CIE has prepared a new technical report on the spectroradiometric measurement of optical radiation sources. The document, published as CIE 250:2022, supersedes the almost 40-year-old report CIE 063-1984. Practically oriented, it explains the basic measurement principles and provides practical instructions for the measurement of irradiance, radiation density, radiation intensity and radiant flux, including instrument calibration.

In addition, the report describes in detail the physical effects relevant to spectroradiometric measurements, and in particular the estimation of measurement uncertainties. The measurement uncertainties occurring in every measurement quantitatively determine the accuracy of the calibration chain for traceable measured values.

The new technical CIE Report 250:2022 contains basic measurement principles and practical instructions for the spectroradiometry of optical radiation sources in the wavelength range 200–2500 nm. It is primarily concerned with the measurands irradiance, radiation density, radiation intensity and radiant flux, together with the quantities derived therefrom. In addition, it provides a detailed overview of the physical effects relevant to the estimation of measurement uncertainties. The report, prepared under the aegis of Dr. Tobias Schneider, Chief Scientist at Instrument Systems, offers a comprehensive insight into the relevant terminology and the fundamentals of calibration of spectroradiometric measuring instruments. It is a practical guide to the identification, understanding and quantification of the relevant components of measurement uncertainty and can be purchased in the CIE online shop: www.techstreet.com/cie.

www.instrumentsystems.com/



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