Anti-Reflection Coating
Product information "Anti-Reflection Coating"
Together with our supplier Vortex we provide broadband and V-style anti-reflection (AR) coating from 300 nm to 6000 nm. We offer AR coatings service on your optics with an unrivalled rapid turnaround or can also supply “make complete” AR-coated optics with substrates sourced through one of our trusted suppliers.
Our AR coatings can be customized to your application’s requirements – contact the AMS Technologies experts today to discuss your customized anti-reflection coating solution!
Broadband AR Coating
A number of standard broadband processes covering many spectral regions is available that can also be adjusted for your specific requirements, e.g. the coating’s properties can be moved to a number of different bands if required. Some examples of broadband AR coatings:
| Broadband AR Coatings | ||
| Optimized Wavelength | Substrate | Average Reflection Within Wavelength Band |
| AR 400-700 nm | Glass | <0.5% |
| AR 400-900 nm | Glass | <1.0% |
| AR 400-1100 nm | Fused Silica | <1.0% |
| AR 400-1700 nm | Sapphire | <3.5% |
| AR 400-2500 nm | Sapphire | <8.0% |
V-Coating
As a special type of anti-reflective coating, V-coatings improve transmission in a very narrow wavelength range around the design wavelength. This type of coating is called a "V-coating" because the curve of the reflection over the wavelength resembles the letter "V", with a minimum at the design wavelength. Both single- and multiple-wavelength V-coat processes are available for laser and LED applications covering a range from 300 nm to 6000 nm, with maximum reflection of <0.25% per surface at the designated wavelength. Some examples of V-coatings:
| V-Coatings | ||
| Optimized Wavelength | Substrate | Reflection |
| V-Coat 633 nm | BK7 | <0.25% |
| V-Coat 1064 nm | BK7 | <0.25% |
| V-Coat 1550 nm | Sapphire | <0.25% |
| V-Coat 3300 nm | CaF2 | <0.25% |
| V-Coat 532_1064 nm | BK7 | <0.25% |
| V-Coat 532_1064_1550 nm | BK7 | <0.25% |
| V-Coat 532_633_780_1064_1550 nm | BK7 | <0.25% |
Infrared AR Coating
Infrared anti-reflection coating can be provided anywhere between 0.7 µm and 6 µm on Glass, Silicon, Germanium, Sapphire, Barium Fluoride, Calcium Fluoride, Gallium Arsenide etc. to suit your specification. Some examples of infrared AR coatings:
| Infrared AR Coatings | ||
| Optimized Wavelength | Substrate | Average Reflection Within Wavelength Band |
| AR 400-1700 nm | Sapphire | <2% |
| AR 400-2500 nm | Sapphire | <3% |
| AR 1200-2500 nm | Silicon | <3% |
| AR 1500-5000 nm | Silicon | <3% |
| V-Coat 1550 nm | Sapphire | <0.25% @1550 nm per Surface |
| AR 2000-5000 nm | Germanium | <3% |
| AR 3000-5000 nm | Silicon | <3% |
| AR 3000-5000 nm | Germanium | <3% |
| V-Coat 3300 nm | Silicon | <0.25% @3300 nm per Surface |
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