An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Fresnel mirror
  آینه‌ی ِ فرنل  
âyene-ye Fresnel (#)
Fr.: miroir de Fresnel  

A pair of plane mirrors which are slightly inclined to one another. It is used for producing two coherent images in interference experiments.

See also: → Fresnel diffraction; → mirror.