Latest Publications

International interest in the use of ultraviolet radiation (UVR) to manage the risk of COVID-19 transmission is large and growing rapidly with each day of this global pandemic. Because of this CIE has published a Position Statement (PS) following on from the two CIE publications related to UV-C... more
This technical report provides basic measurement principles and practical guidance in goniospectroradiometry of optical radiation sources (i.e. measurement of the spectral distribution as a function of the emission angle of the source). Specifically, it includes measurement principles of the... more
AC-driven LEDs (AC LEDs) operate on AC power and may be connected directly to a mains supply without the need of any electronics (e.g. LED drivers or control gears) for converting AC power to a constant direct current. Similar to DC-driven LEDs (DC LEDs), accurate measurements of AC LEDs are also... more
This document was prepared by the International Commission on Illumination (CIE) in cooperation with Technical Committee ISO/TC 274, Light and lighting. This Draft International Standard is a revision of ISO 11664-2:2007 | CIE S 014-2:2006. It will cancel and replace ISO 11664-2:2007 | CIE S 014-2:... more

Latest News and Events

  A Toolbox to support the use of the international standard CIE S 026:2018 CIE System for Metrology of...
Supporting the global action to reduce the transmission of COVID-19 CIE releases two key publications...
The Blue Light Hazard - What Does it Really Mean?- a webinar which was  hosted by the OSA Color...