Lighting Design Knowledgebase

Lighting Design Glossary

 
 
 

Reflectance
Diffuse Reflectance
Albedo

(Term of radiometry/photometry/Radiance)

Reflectance is the ratio of incident luminous flux upon a surface which is reradiated in the visual spectrum.

Albedo is another Term for Reflectance.

Diffuse reflectance is the ratio of the flux reradiated by diffuse reflection (from a lambertian surface).

Unit of reflectance is percent (%) or a factor between 0 and 1.

 

References:
   lambertian surface
radiometry
photometry
Radiance software
 
 
English    German
reflectance    Der Reflexionsgrad
diffuse reflectance    Der diffuse Reflexionsgrad
albedo    Die Albedo

 
 

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Copyright © 1998-2003 Georg Mischler. All rights reserved.