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'''2-1- | '''urn:mrn:iala:dic:2-1-0220''' | ||
A device used to alter the spatial distribution of a luminous flux and depending essentially on the phenomenon of diffusion. | A device used to alter the spatial distribution of a luminous flux and depending essentially on the phenomenon of diffusion. | ||
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[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] | ||
[[Category:IALA Dictionary 2023 Revision]] | |||
Latest revision as of 08:39, 17 September 2026
A device used to alter the spatial distribution of a luminous flux and depending essentially on the phenomenon of diffusion.
Note: If all the radiation reflected or transmitted by the diffuser is diffused, it is said to be Completely Diffusing.
Reference: C.I.E. (extract)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
