An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



quadrupole lens
  عدسی ِ چهارقطبه  
adasi-ye cahârqotbé
Fr.: lentille quadrupôle  

A device, consisting of four → electrodes or → magnetic poles arranged in alternating → polarity, that focuses a beam of → charged particles.

See also:quadrupole; → lens.