Geometrically challenging substrates such as ball lenses, tubes, domes, special prisms, gratings, nozzles and many more items cannot be coated by common coating techniques because shadowing effects and thickness non-uniformity will occur here.
With ALD (Atomic Layer Deposition) LASEROPTIK can offer highly conformal multilayer coatings on complex 3D-substrates.
Typically, anti-reflection coatings are offered in the range from UV towards 1550 nm. HR coatings are more suitable for UV applications due to economic coating thickness limitations. In addition, protective and passivating coatings are offered on a variety of materials.
Weiss, T. and Ebert, W. (2017): Atomic Layer Deposition for Coating of Complex 3D Optics. Optik & Photonik, 12: 42–45.
For an effective and fast overview, all coatings here or in our LOOP are given for standard substrate materials (mostly Fused Silica or CaF2).
For quotations for coatings on special substrates we have to know:
• refractive index
• allowed maximum tem-
• thermal expansion coef-
Every coating design and process can be adapted to each substrate type. Please choose the best matching coating and ask us for a quotation with an optimized one.