Andover Dichroic Filters
Superior color separation through advanced thin-film engineering
Precision Color Control: Dichroic Solutions
Engineered Wavelength Separation for Advanced Optical Systems
Andover Corporation's dichroic filters represent the pinnacle of thin-film coating technology, combining precise spectral control with exceptional environmental durability. Our advanced deposition processes and rigorous quality control ensure outstanding performance across applications from cutting-edge fluorescence microscopy to demanding aerospace systems. Each filter undergoes comprehensive testing to verify spectral accuracy, surface quality, and mechanical stability.
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From Prototype to Production
Custom Fabrication and High-Volume Manufacturing
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Andover Insights & Innovations
Discovering new possibilities in optical filtering

BEAM: Breakthroughs – How Andover Corporation’s Advanced Coating Technology Powers NASA’s PUNCH Mission
In the demanding realm of space-based solar observation, precision optical components must withstand extreme conditions while delivering uncompromising performance. NASA’s recently launched PUNCH (Polarimeter to UNify the Corona and Heliosphere) mission exemplifies this challenge, requiring specialized optical filters and coatings capable of operating in the harsh environment of space while providing critical data about our…

BEAM: Breakthroughs – When Precision Meets the Battlefield
How Andover’s Dual-Band Optical Filters Power the Apache AH-64’s Advanced Targeting Systems. Part of our BEAM (Breakthroughs, Engineering, And Minds) Behind the Light series.

BEAM Spotlight Series: Dave Litwinovich — Three Decades of Engineering Excellence
As part of our BEAM Spotlight Series (BEAM: Engineering), we’re proud to highlight the people behind the precision—those who quietly push boundaries and build the systems that keep Andover Corporation moving forward. Few embody that spirit more than Dave Litwinovich, our Vice President of Technology, who has spent nearly three decades transforming not just our engineering department, but the entire foundation of our production capabilities.
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