Lighting Design and Simulation Knowledgebase
(Term of optics)
The fraction of light lost to scattering and absorbtion per unit distance in a participating medium. The sum of the absorption coefficient and the scattering coefficient.
Standard unit of the extinction coefficient is fraction per meter (/m).
The Radiance software treats the extinction coefficient of the red, blue and green components of the extinction coefficient seperately.
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References: |
absorption coefficient participating medium scattering coefficient Radiance software |
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| English | German | |
| extinction coefficient | Der Extinktionskoeffizient |
