Lighting Infrastructure
Working in the lighting industry for the last few years I’ve seen how the lighting technology is moving gradually from the incandescent light bulb to CFLs, HIDs and ultimately to Solid-State Lighting...
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Light and Colors – Part 1
There are many books and papers dedicated to the study of light from different perspectives: the artist, the scientist, the designer, the historian or the biologist. There is no point in repeating here...
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Light and Colors – Part 2
CIE Photometric Curve The human eye is an incredibly complex detector of electromagnetic radiation with wavelengths between 380 to 770 nm. The sensitivity of the eye to light varies with wavelength...
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Light and Colors – Part 3
Color perception is a brain process that starts in the eye’s cone receptors. These receptors are found in three varieties that exhibit sensitivity to approximately red, green, and blue colors. The...
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Light and Colors – Part 4
The CIE 1931 Chromaticity Diagram The CIE XYZ color space [1] defines all colors in terms of three imaginary primaries X, Y, and Z based on the human visual system that possess the following...
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