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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 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.

Publishing year

2008

Language

English

Pages

41-49

Publication/Series

Photobiology — The science of life and light, 2nd. ed.

Document type

Book chapter

Publisher

Springer

Topic

  • Biological Sciences

Keywords

  • Irradiance Fluence Fluence rate Exposure Wavelength Weighting function Photon flux density Radiance Radiation power

Status

Published

Project

  • Photobiology

Research group

  • Photobiology

ISBN/ISSN/Other

  • ISBN: 978-0-387-72654-0