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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 30, Iss. 4 — Apr. 1, 2013
  • pp: 589–595

Generalization of the geometric description of a light beam in radiometry and photometry

Lionel Simonot and Pierre Boulenguez  »View Author Affiliations

JOSA A, Vol. 30, Issue 4, pp. 589-595 (2013)

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Radiometric and photometric quantities rely on a geometric description of the beam subtended by a source and a receptor. In this paper, a generalization of this description is proposed as the product of the apparent size of the source times the receptor angular extent, whatever the natures of these elements: point, line, surface, or volume. The obtained flux density per geometric extent expressions are then applied to the determination of the irradiances induced in the near field and far field by a rectilinear source represented as a point source, a line source, and a surface source.

© 2013 Optical Society of America

OCIS Codes
(120.5240) Instrumentation, measurement, and metrology : Photometry
(120.5630) Instrumentation, measurement, and metrology : Radiometry
(080.2175) Geometric optics : Etendue

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: October 22, 2012
Revised Manuscript: January 16, 2013
Manuscript Accepted: January 21, 2013
Published: March 6, 2013

Lionel Simonot and Pierre Boulenguez, "Generalization of the geometric description of a light beam in radiometry and photometry," J. Opt. Soc. Am. A 30, 589-595 (2013)

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