Inrad : a PPGI compay Inrad, A ppgi company, has been a supplier to laser manufacturers, defense contractors, national laboratories, universities and scientists around the world for over 35 years. Our expertise is specialty and proprietary crystal growth, and crystal component fabrication and applications. The Inrad product line includes UV-transparent filters, electro-optic crystals, Pockels cells, non-linear optical crystals, devices and systems for harmonic generation of a wide variety of lasers. Inrad.com~Site InfoWhoisTrace RouteRBL Check