active optics — An Etymological Dictionary of Astronomy and Astrophysics

active optics

نوریک ِ ژیرا

nurik-e žirâ

Fr.: optique active

A technique for improving the → resolving power of a telescope by controlling the shape of the main mirror at a relatively slow rate. The → image quality is optimized automatically through
constant adjustments by in-built corrective → actuators operating at fairly low temporal frequency ~0.05 Hz or less. → adaptive optics.

See also: → active; → optics.

An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک