Transmission gratings can be used in teaching spectrometer or as beam splitters. We can replicate transmission gratings from almost any of our plane reflection gratings. The groove densities of transmission gratings including 100 lines/mm, 200 lines/mm, 300 lines/mm, 500 lines/mm and 1000 lines/mm are often used.

If the transmission gratings are used in precision measure instruments as beam splitters, The gratings are to be redesigned.