50+ years of experience creating the world’s largest, highest-quality sapphire crystals.
Through our unmatched experience and dedication to excellence, we create the world’s best optical sapphire for photonics, military, and aerospace applications. Our HEMEX® is the highest grade of HEM® Sapphire produced with optical homogeneity measured at 0.02 P-V.
Download our latest White Paper HEMEX Sapphire: Material Optimization for Improved Super-conducting Qubits
HEM® Sapphire: Large-format, HEM-grown boules
Optical sapphire for highly sophisticated applications requiring reliability, strength, and a wide range of light transmittance. Learn more
HEM® LAOS Sapphire: Premium crystal material
A special class of sapphire crystals developed for precision sapphire windows, lenses, and filters. Learn more
HEM® Ti:Sapphire: Ultrafast, high quality laser optics
We are proud to deliver 200 mm and 220 mm HEM Ti:Sapphire laser optics in support of today’s leading-edge laser facilities. Learn more