bn:03793882n
Noun Concept
Categories: Diffraction gratings, Diffraction
EN
echelle grating  echelle  echelle spectrograph  High-resolution echelle spectrograph  High resolution echelle spectrograph
EN
An echelle grating is a type of diffraction grating characterised by a relatively low groove density, but a groove shape which is optimized for use at high incidence angles and therefore in high diffraction orders. Wikipedia
Definitions
Sources
EN
An echelle grating is a type of diffraction grating characterised by a relatively low groove density, but a groove shape which is optimized for use at high incidence angles and therefore in high diffraction orders. Wikipedia
Type of diffraction grating used in spectrometers Wikidata
A form of diffraction grating optimized for high orders of diffraction. Wiktionary