Thin Films & Optics


AR Coated Zinc Sulphide Domes

Zinc Sulphide is used for missile windows due to its broadband optical transparency. HHVAT has in-house facilities to fabricate ZnS domes. These domes are coated with a high durability anti-reflection coating suitable for the LWIR and MWIR regions with transmittance of more than 92%. The coatings are corrosion resistant, have excellent adhesion and coated with a gold band to ensure a resistance of less than 12Ω.

  • Features:

    ● Substrate: Zinc Sulphide● Dimension: Diameter up to 200mm● Durability: MIL-C-675, MIL-C-48497A● Additional: Shapes, profiles and resistance can be tailored to customer requirements

  • Applications:

    ● Seeker missiles for Defence