Lecture 12 Color measurement Spr2010

Lecture 12 Color measurement Spr2010 - Color Measurement...

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Spring 2010 Mat 288S Optoelectronic Measurements 1 Color Measurement Quantification of eye response Chromaticity diagram Spectrometers for color measurement
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Spring 2010 Mat288S Optoelectronic Measurements 2 Terminology Radiometric Spectral Photometric Power (Watts) Spectral Density (Watts-nm -1 ) Luminous Flux (Lumens) Irradiance (W-m -2 ) Spectral Irradiance (W-m -2 -nm -1 ) Illuminance (Lux=Lumens-m -2 ) Radiant Intensity (W-sr -1 ) Spectral Intensity (W-sr -1 -nm -1 ) Luminous Intensity (Candela=Lumens-sr -1 ) Radiance (W-m -2 -sr -1 ) Spectral Radiance (W-m -2 -sr -1 -nm -1 ) Luminance (nit=Lumens-m -2 –sr -1 )
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Normalized Eye Response Spring 2010 Mat 288S Optoelectronic Measurements 3 ( ) ( ) ( ) λλ λ d V Radiance Watt Lumens Luminance = / 683 1924 CIE Spectral Luminous Efficiency Function
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1931 and 1978 CIE Eye Sensitivity Functions Spring 2010 Mat 288S Optoelectronic Measurements 4
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Luminous Efficacy Spring 2010 Mat 288S Optoelectronic Measurements 5 Max at 555nm
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This note was uploaded on 02/02/2011 for the course ECE 227A taught by Professor Coldren during the Spring '08 term at UCSB.

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Lecture 12 Color measurement Spr2010 - Color Measurement...

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