Andover produces a non-radioactive dielectric multilayer coating designed to reduce the reflection of Germanium substrates in the infrared. With an AR Coating, reflection is reduced from 36% per surface to less than 1% per surface. Constructed of hard, durable first-surface dielectric optical coatings on optical-quality germanium substrates, these filters will withstand cleaning and handling associated with any high-quality optical component.

For your convenience and economy, we offer these filters in two standard sizes: 25 mm and 50 mm dia. However, we can produce custom sizes and shapes, as well as custom optical characteristics. 

Anti-reflective Coatings Benefits 

• Reduces reflection from 36% to 1% per surface
• Constructed of hard, durable, non-radioactive materials
• Meets MIL-C-48497

COMMON APPLICATIONS

• Thermal imaging
• Weapon systems
• Detector windows
• Dewar windows

Learn more here and contact our technical sales department for a quote.