Diffraction Products, Inc. (DPI) has been in the business of producing high quality, precision Diffraction Gratings since 1952. The company employs two ruling engines which produce gratings to customers' specifications. To the right is a list of the variety of gratings produced by Diffraction Products, Inc.

PLANE REFLECTANCE GRATINGS CONCAVE REFLECTANCE GRATINGS LARGE ASTRONOMICAL GRATINGS ECHELLES PLANE VISIBLE TRANSMISSION GRATINGS PLANE ULTRAVIOLET TRANSMISSION GRATINGS GRATINGS FOR DYE LASERS VARIABLE SPACED GRATINGS GRATINGS FOR MOLECULAR LASERS OEM REPLICA DIFFRACTION GRATINGS Master Gratings For Replication

Diffraction Products, Inc. Phone #: (815)338-6768 Fax #: (815)338-7167 E-mail: dpinc@aol.com

DPI History DPI Specifics DPI Prices DPI Gratings DPI Terms The Circular Dividing Engine