OptiGrate designs and manufactures volume diffractive gratings in reflecting and transmitting geometries for commercial and defense applications. The basic technology of hologram recording in a photosensitive glass is protected by six issued U.S. patents and several pending patents.

Issued Patents

Process for Production of High Efficiency Volume Diffractive Elements in Photo-Thermo-Refractive Glass

High Efficiency Volume Diffractive Elements in Photo-Thermo-Refractive Glass

Optical Beam Steering and Switching by Optically Controlled Liquid Crystal Spatial Light Modulator with Angular magnification by High Efficiency PTR Bragg Gratings

Sensitization of Photo-Thermo-Refractive Glass to Visible Radiation by Two-Step Illumination

Volume Bragg Lasers Based on High Efficiency Diffractive Elements in Photo-Thermo-Refractive Glass

Stretching and Compression of Laser Pulses by Means of High Efficiency Volume Diffractive Gratings with Variable Periods in Photo-Thermo-Refractive Glass