Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An optical device containing parallel mirrors, used in laser design to delay light.

Etymologies

From French étalon ("measuring gauge, standard"). (Wiktionary)

Examples

  • The compact 40mm refractor telescope is been constructed with a special filter called etalon "and the internal blocking filters together removes all the harmful rays of the sun and passes only white light for safe viewing.

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  • With a larger beam expanding telescope and an additional etalon inside the cavity, the spectral width of the pulsed dye laser could be reduced to an unprecedented 0.0004 nm, and an additional external filter etalon soon permitted the first experiments on Doppler-free saturation spectroscopy of atomic resonance lines.

    Theodor W. Hänsch - Autobiography

  • An etalon is an optical interferometer in which a beam of light undergoes multiple reflections between two reflecting surfaces. and whose resulting optical transmission (or reflection) is periodic in wavelength.

    optics.org all content

  • An etalon is an optical interferometer in which a beam of light undergoes multiple reflections between two reflecting surfaces.

    optics.org all content

  • In dispersion compensation, we believe that we have the largest portfolio of dispersion compensating products in the world, including fiber, etalon and FBG's products, with etalon-based products being available in both fixed and tunable configuration.

    SeekingAlpha.com: Home Page

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