Plymouth Grating Laboratory manufactures high quality Diffraction Gratings

Plymouth Grating Laboratory, Inc. is the primary commercial source for the largest Diffraction Gratings in the world and is dedicated to making the highest quality gratings available. We specialize in diffraction gratings with periods of 200 nm to 2000 nm on a substrate size of 1 meter x 0.6 meters with excellent diffraction wavefront characteristics.  We manufacture Multi-layer Dielectric reflection, metal refection, transmission, and amplitude gratings.