Since its inception in 1913, the CIE has become a professional organization and has been accepted as representing the best authority on the subject and as such is recognized by ISO as an international standardization body.
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This Technical Note reports on the proceedings and consensus of the invited experts of The Second International Workshop on Circadian and Neurophysiological Photometry, 2019, Manchester (UK). This workshop acted on the basis of a consensus of the participants, who are also the advisers to this... more
This document was prepared by Technical Committee ISO/TC 274, Light and Lighting, in collaboration with CIE-JTC 15, Lighting of Indoor Workplaces. This second edition cancels and replaces the first edition (ISO 8995-1:2002), which has been technically revised.
Good lighting will create a visual... more
CIE standard illuminant A was introduced in 1932 to represent typical tungsten-filament lighting in colorimetry, and for decades it has been used as a reference spectrum in photometer calibrations.In 2018, CIE published new LED illuminants in CIE 015:2018 Colorimetry, 4th Edition. Based on one of... more
With the rapid development of the application of optical radiation in the field of plant growth in recent years, different types of stakeholders with different backgrounds are coming together; for example, lighting manufactures, agriculture facility companies, researchers with an optical... more