Advanced material, recognized as the highest commercial quality sapphire available on a worldwide basis with proven excellence in optical, mechanical and transmission properties
We are the leading supplier of sapphire produced using the Heat Exchanger Method (HEM). Developed over 40 years of continued process and performance improvements, this proven crystal growth method is known for its ability to control the heat input and heat extraction from the system with no mechanical movement. This precision control produces HEM sapphire in large sizes with highly homogeneous lattice structure and low scatter levels, with optical performance that is unmatched by other sapphire growth processes.
HEM Sapphire
Pioneering the heat exchanger method (HEM) sapphire growth process, we are the world’s leading producer of high quality sapphire crystal.
Ti: Sapphire
Better material quality means higher yields and greater return on investment.
LAOS Sapphire
We offer a wide range of low absorption optical sapphire (LAOS) for applications where minimal photon absorption is critical.
Our Products for the Photonics Market
Sapphire Materials 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.