An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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optical autocorrelator
  خودهم‌باز‌آنگرِ نوری  
xod-hambâzângar-e nuri
Fr.: autocorrélateur optique  

An instrument used to test lenses by utilizing the → optical transfer function. It consists of a HeNe laser, a beamsplitter and two mirrors.

See also: → optical; → autocorrelator.