Definition of etalon in English:
A device consisting of two reflecting glass plates, employed for measuring small differences in the wavelength of light using the interference it produces.
- 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.
Early 20th century: from French étalon, literally 'standard of measurement'.
Definition of etalon in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.