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  Encyclopedia of Keywords > Physics > Radiation > Electromagnetic Radiation > Radiometry > Radiant Intensity   Michael Charnine

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    This Review contains major "Radiant Intensity"- related terms, short phrases and links grouped together in the form of Encyclopedia article.


  1. Radiant Intensity is a measure of radiometric power per unit solid angle, expressed in watts per steradian.
  2. The radiant intensity is the radiant flux emitted per unit of solid angle by a point source in a given direction. (Web site)
  3. Radiant intensity is a quantitative expression of the brilliance of a source of electromagnetic (EM) energy over the entire electromagnetic spectrum.

Radiant Intensity

  1. The diameter of the near-field radiation pattern is defined here as the full width at half maximum and the radiation angle at half maximum radiant intensity. (Web site)
  2. In radiometry, radiant intensity is a measure of the intensity of electromagnetic radiation. (Web site)
  3. It describes the 'radiant intensity' per unit of projected area perpendicular to the specified direction. (Web site)

Luminous Intensity

  1. The radiant intensity and quantity of secondary planet affect laser power of receiving system directly.
  2. At other frequencies, more radiant intensity is required to achieve the same luminous intensity, according to the frequency response of the human eye.
  3. The total radiant intensity across the whole spectrum is a function of T to the fourth power. (Web site)
  4. In physics, radiant intensity and radiance are integrated across a wide range of wavelengths. (Web site)
  5. Last check: 2007-09-18) Compared with a fl radiator the radiant intensity of a grey radiator is decreased by the emissivity. (Web site)

Si Unit

  1. The SI unit of radiant intensity is watts per steradian (W--sr -1). (Web site)
  2. The SI unit of radiant intensity is Watt s per steradian (W--sr -1).
  3. The radiant intensity of such a surface is maximum normal to the surface and decreases in proportion to the cosine of the angle from the normal.


  1. Physics > Radiation > Electromagnetic Radiation > Radiometry
  2. Glossaries > Glossary of Optics Stubs /
  3. Books about "Radiant Intensity" in

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  Short phrases about "Radiant Intensity"
  Originally created: March 21, 2008.
  Links checked: May 26, 2013.
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