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Principles and nomenclature for the quantification of light

Author

Editor

  • Lars Olof Björn

Summary, in English

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, radiance and mol, as well as the following superfluous 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.

Publishing year

2015

Language

English

Pages

21-25

Publication/Series

Photobiology: The Science of Light and Life (3rd ed.)

Document type

Book chapter

Publisher

Springer

Topic

  • Biological Sciences

Keywords

  • wavelength
  • irradiance
  • fluence
  • fluence rate weighting function

Status

Published

Project

  • Photobiology

Research group

  • Photobiology

ISBN/ISSN/Other

  • ISBN: 978-1-4939-1467-8 (Print)
  • ISBN: 978-1-4939-1468-5 (eBook)