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luminous flux

   Also found in: Medical, Encyclopedia, Wikipedia 0.06 sec.
luminous flux
n.
The rate of flow of light per unit of time, especially the flux of visible light expressed in lumens.
luminous flux
n
(Mathematics & Measurements / Units) a measure of the rate of flow of luminous energy, evaluated according to its ability to produce a visual sensation. For a monochromatic light it is the radiant flux multiplied by the spectral luminous efficiency of the light. It is measured in lumens. Symbol Φv
luminous flux  (lm-ns)
A measure of the radiant power of light emitted from a source without regard for the direction in which it is emitted. It is measured in lumens. See also luminous intensity.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.luminous flux - the rate of flow of light energy
radiant flux - the rate of flow of radiant energy (electromagnetic waves)


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? Mentioned in ? References in periodicals archive
 
Ohno, Total luminous flux calibrations of LEDs at NIST, Proc.
Development of a tunable LED-based colorimetric source by Eppeldauer, George P. / Journal of Research of the National Institute of Standards and Technology
Avago's ASMC-QHB2-TCD0E (red-orange) and ASMC-QAB2-TAC0E (amber) Envisium LEDs feature typical luminous flux of 6.
Avago Technologies Announces Industry's Smallest Half-Watt ... by Business Wire
In order to improve the situation, NIST has investigated the technical problems and is developing standard LEDs and recommended measurement methods for luminous intensity, total luminous flux, and color (chromaticity and dominant wavelength).
NIST DEVELOPS PHOTOMETRIC AND COLORIMETRIC STANDARDS FOR LEDS by Journal of Research of the National Institute of Standards and Technology
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