Optics Introduction to Diffraction Grating - Thorlabs
2007-9-14 · Introduction to Diffraction Grating www.thorlabs.com Diffraction Gratings (Ruled and Holographic) Diffraction gratings can be divided into two basic categories: holographic and ruled. A ruled grating is produced by physically forming grooves on a reflective surface by using a diamond tool mounted on a ruling engine. The distance between adjacent