Main Products: The main production is optical windows; lenses; prisms; mirrors; filters; wedges made of kbr; nacl; kcl; csi; caf2; baf2; lif; mgf2; znse; sapphire; SI; ge; optical glasses; fused silica; etc
Astrosital (russian equivalent to zerodur) is a glass-ceramic material with ultra low thermal expansion. It is widely used as substrate material for astronomic mirrors. Maximum available size:500 mm dia.