Definition of etalon in English:

etalon

Syllabification: e·ta·lon
Pronunciation: /ˈādlˌän
 
/

noun

Physics
A device consisting of two reflecting plates for producing interfering light beams.
More example sentences
  • The change in resonance frequency of the etalon measures the change in optical-path length.
  • We specialize in very large aperture etalons with diameters up to 150 mm.
  • Our products range from simple condenser lenses to precision etalons.

Origin

early 20th century: from French étalon, literally 'standard of measurement'.

Definition of etalon in:

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