Anti Reflection Coating

State-of-the-Art Coating Facility

SPUTTER COATER (SP-100 of Satisloh) (2 Machines)

Installed: Jan 2016 and May,2023

Features: Fully automatic Sputter Coating system using

Silicon Target (SiN and SiO2). Small and quick cycle time. Ideal for prototypes, small runs

BOX COATER: GTV 600 of Guotai Vacuum Equipment Company Ltd

Installed: Aug, 2025

Features: 600x750 chamber, 10kW Shibuya EB Gun,

Inficon 6 sensor Crystal Monitor, Hollow Cathode Hall

Ion Source, Substrate Top Heating (350 deg C)

Coating Capabilities

Versatile Applications

Anti-reflection coating on Glass lenses for Visible, NIR ranges.

Single Layer MgF2 Coating for glass lenses

UV-VIS-NIR Anti-reflective coatings for glass lenses covering wide wavelength range from 400 to 1000 nm

Beam Splitter Coatings (50- 50, 30-70 etc for narrow wavelength bands)

Anti-reflective coating on plastic molded lenses

Hydrophobic Coating on plastic lenses

Design and Quality Assurance

All Coating designs done in-house using Essential MacLeod software.

Filmetrics Fiber based

Spectrophotometer allows for reflectance spectrum measurement directly off lens surface.

Thermo-Fisher spectrophotometer for transmission testing of witness flats.

Enhanced Durability

All BBAR coatings on glass meet MIL specs 48497A for adhesion and scratch resistance. (severe abrasion)

Comprehensive Coating Solutions