Author: Kelvin Biggs, Managing Director

Fused Silica is part of a family of optical materials (along with quartz and fused quartz) which share properties including a high working temperature, high melting temperature and low expansion coefficient.

Germanium (Ge) is a chemical element. It is a silvery-grey-white and highly brittle metalloid, with a diamond-like crystalline structure. Its chemical and physical properties make it very similar to silicon.