luminous intensity


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Related to luminous intensity: luminous intensity unit, luminous flux

lu·mi·nous in·ten·si·ty (I),

the luminous flux per unit solid angle in a given direction.

lu·mi·nous in·ten·si·ty

(I) (lū'mi-nŭs in-ten'si-tē)
The luminous flux per unit solid angle in a given direction.
Synonym(s): radiant intensity.

intensity, luminous

Quotient of the luminous flux leaving the source, propagated in an element of solid angle containing the given direction, divided by the element of solid angle. Symbol: I. Unit: candela (CIE).
References in periodicals archive ?
The goniometer can be paired with either a photometer (goniophotometer), for angular luminous intensity measurements only, or with a spectroradiometer (goniospectroradiometer) if angular color information is required.
alpha]] are the luminous intensity of the beams incident at the points 0,A,B, and P such values given by the cross and the longitudinal luminous intensity curves ).
Luminaire manufacturing tolerances and measurement uncertainties will limit the expected accuracy of the luminous intensity data to at best a few percent when applied to production luminaires.
The luminous intensity of monochromatic radiation in a given direction, [I.
The weight saving is achieved through the use of new high capacity, ultra lightweight Lithium-ion rechargeable cells, which provide peak luminous intensity of 340 and 360 lux at five metres.
5v Class 1 Insulation PCB assemblies RoHS-compliant LEDs Viewing Angle +/-3o[degrees] Yellow: Dominant Wave Length 587nm Luminous Intensity 2.
In fact, at the nanometric scale, the least variation in temperature, luminous intensity, or flow of energy could cause a robot to deviate significantly from its route trying to accomplish its precise task.
Red, orange, yellow, and yellow-orange lamps use AlInGaP technology to produce typical luminous intensity of 700 to 800 mcd.
The device does not require auxiliary drive circuitry, and has a luminous intensity of 20.
Illuminance, the amount of light that actually falls on an object, is intimately related to luminous intensity.
Differences in luminous intensity are assumed to affect luminous contrast -- and thus distance perception -- as shown by O'Shea, Blackburn, and Ono (1994).
At night, the entire building lights up like a huge, free-form Japanese paper lantern, glowing with a softly luminous intensity.