Principles and nomenclature for the quantification of light

Lars Olof Björn

doi:10.1007/978-0-387-72655-7_2

Principles and nomenclature for the quantification of light

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

Abstract

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.

Original language	English
Title of host publication	Photobiology — The science of life and light, 2nd. ed.
Editors	Lars Olof Björn
Publisher	Springer
Pages	41-49
ISBN (Print)	978-0-387-72654-0
DOIs	https://doi.org/10.1007/978-0-387-72655-7_2
Publication status	Published - 2008

Subject classification (UKÄ)

Biological Sciences

Free keywords

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

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10.1007/978-0-387-72655-7_2

Cite this

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AB - 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.

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ER -

Principles and nomenclature for the quantification of light

Abstract

Subject classification (UKÄ)

Free keywords

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