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Principles and nomenclature for the quantification of light

Publiceringsår: 2008
Språk: Engelska
Sidor: 41-49
Publikation/Tidskrift/Serie: Photobiology — The science of life and light, 2nd. ed.
Dokumenttyp: Del av eller Kapitel i bok
Förlag: Springer


This chapter does not deal with any practical aspects of light measurement, only with theoretical concepts. The following concepts are explained: energy fluence , energy fluence rate, photon fluence, photon fluence rate and radiance, mol, as well as the following superflu-ous or obsolete terms and synonyms: actinic flux, space irradiance, scalar irradiance, spherical irradiance, vectorial irradiance and einstein. The chapter furthermore deals with spectral weighting of radiation, and some psychophysical concepts, such as illuminance, lumen, lux etc.



  • Biology and Life Sciences
  • Irradiance Fluence Fluence rate Exposure Wavelength Weighting function Photon flux density Radiance Radiation power


  • Photobiology
  • Photobiology
  • ISBN: 978-0-387-72654-0

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