Complete Optical Solutions
Precision optical components from UV to IR
Explore Andover Corporation’s complete catalog of precision optical filters and coatings. Designed for performance from the UV through the far IR, our products support demanding applications across aerospace, biomedical imaging, industrial sensing, environmental monitoring, and astronomy.
Whether you're sourcing off-the-shelf bandpass filters or custom-designed assemblies, our team delivers consistent quality, fast lead times, and unmatched coating expertise — all from our vertically integrated U.S. facility.
Optical Bandpass Filters – Narrowband and broadband options for laser systems, fluorescence, astronomy, and imaging.
Longpass & Shortpass Filters – Edge filters with precise cutoff characteristics for spectral separation.
Neutral Density (ND) Filters – Fixed and variable attenuation with high optical density stability.
Infrared (IR) Filters – Durable filters for thermal imaging, defense targeting, and IR spectroscopy.
UV Filters – First-surface UV coatings and blocking solutions with high transmission and low autofluorescence.
Color & Dichroic Filters – Filters using color glass and hybrid coatings for lighting, display, and machine vision.
Custom Coatings & Assemblies – Tailored optical components including prisms, beamsplitters, and filters on exotic substrates.
Need something specific? Our team is ready to engineer a solution that meets your spectral, mechanical, and environmental specifications. Contact us to request a quote or discuss your application.
OPTICAL FILTERS
OPTICAL COATINGS
ADDITIONAL PRODUCTS
Frequently Asked Questions
We offer a wide range of filters including bandpass, longpass, shortpass, neutral density (ND), UV, IR, dichroic, and color filters, all designed for precise spectral performance.
Yes. Andover Corporation specializes in custom optical coatings and assemblies. Our in-house design and fabrication teams can build to your specifications.
Request a quote to begin your custom project!
Our filters support applications in aerospace and defense, biomedical imaging, environmental sensing, astronomy, machine vision, and many more.
Most standard filters are available for rapid turnaround. Custom orders depend on complexity but benefit from our fully-integrated U.S. manufacturing facility.
All of our optical filters and coatings are produced in our 44,000-square-foot facility in Salem, New Hampshire.
From Prototype to Production
Custom Fabrication and High-Volume Manufacturing
Collaborate with Andover Corporation on custom optical products, prototype development, and specialized optical solutions supported by vertically integrated manufacturing.
With in-house fabrication, coating, assembly, and metrology capabilities, Andover can support everything from rapid prototypes to high-volume production programs with responsive lead times and consistent quality.
Quality isn't just a metric
- it's our foundation.
Andover Insights & Innovations
Discovering new possibilities in optical filtering
BEAM Spotlight Series: Dave Litwinovich — Three Decades of Engineering Excellence
Contact Our Team
Ready to discuss your optical needs? Whether you're looking for a quote or have technical questions, our expert team is here to help guide you to the perfect solution.