Thin Films & Optics


Optical Filters

HHVAT produces flame photometry filters, neutral density filters, short pass filters, long pass filters, band pass filters, notch filters, edge filters and coloured glasses. Our filter coatings can be deposited on a single substrate or multiple substrates and laminated with optical cement to form a single element. 

  • Features:

    ● Substrate: BK7, Borofloat, UV Fused Silica, Quartz● Dimension: Diameter up to 1 inch● Durability: MIL-C-675C● Additional: Flame photometry filters (Sodium, Potassium, Calcium, Lithium and Barium)

  • Applications:

    ● Flame Photometry● Biomedical instrumentation● Industrial lasers