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radiant flux

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.49 sec.
radiant flux [′rād·ē·ənt ′fləks]
(optics)
The time rate of flow of radiant energy.


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[3] is the ratio of fluorescent radiant flux to absorbed radiant flux.
Quantitating fluorescence intensity from fluorophore: assignment of ... by Vogt, Robert F., Jr. / Journal of Research of the National Institute of Standards and Technology
6V typical, a radiant flux of 10mW, and an ultra low thermal resistance of 108 (degrees)C/Watt.
Microsemi Introduces its First High Brightness Blue LED by Business Wire
The transmission coefficient [tau] of a diffracting aperture is defined as the radiant flux transmitted into the positive half space, divided by the radiant flux incident upon it in the limit of geometrical optics.
Optical diffraction in close proximity to plane apertures. III. ... by Mielenz, Klaus D. / Journal of Research of the National Institute of Standards and Technology
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