Echelle grating
= Echelle grating
{wiki}
An echelle grating works in high <diffraction orders>. A separate <cross-disperser> separates their overlapping <optical spectra> on a two-dimensional detector.
= Echelle grating
{wiki}
An echelle grating works in high <diffraction orders>. A separate <cross-disperser> separates their overlapping <optical spectra> on a two-dimensional detector.