Optical coating film has different refractive indexes for lights with different wave lengths and utilizes film combination with different thicknesses to produce total-reflection, penetrating (anti-reflection, AR) or partially penetrating or partially reflective (UV Cut, IR Cut ...) optical glasses.

ACETRON can provide high-purity targets required by coating film for optical glasses, crystals and optical communication industry:

Product Name	Specification	Purity	Density g/cm3	Melting point℃	Processes	CAS NO.
Si targets	Customized purity as per customer requirements	5N	2.33	1420	Thermal spraying	7440-21-3
Nb targets		3N5	8.57	2467	EB smelting	7440-3-1
SiO2 targets		4N5	2.202	1713	Smelting	60676-86-0
Ta targets		3N5	16.65	2996	Smelting	7440-25-7
Ta2O5 targets		3N5	5.2	1872