echelle spectrograph — An Etymological Dictionary of Astronomy and Astrophysics

echelle spectrograph

بیناب‌نگار ِ نرده‌ای

binâbnegâr-e narde-yi (#)

Fr.: spectrographe à échelle

A spectrograph that uses an echelle grating to disperse the light.

See also: → echelle grating; → spectrograph.