Advanced Sapphire Solutions for Leaders In Lasers, Aerospace & Semiconductor Markets

Our Advanced Sapphire Materials Group (ASMG) has been producing the world’s finest and largest sapphire crystals for over 40 years using the HEM process.


Materials and Pricing

GTAT’s ASMG Group is the worlds leading supplier of HEM Ti Sapphire and low absorption optical sapphire (LAOS). View our catalogue for common size and price specifications.


Crystal Materials in Optical and Laser

We enhance the performance of optical and laser applications with the world’s finest sapphire crystals for a wide range of industries from medical devices, aerospace and defense, to other industrial applications.