State-of-the-Art Optical Manufacturing

Since 1976, Andover Corporation has set industry standards in optical filters and coatings from our comprehensive 44,000-square-foot manufacturing facility in Salem, New Hampshire. Our state-of-the-art facility reflects decades of continuous investment in advanced manufacturing technology, combining custom-designed automation with precision engineering expertise to stay at the forefront of optical innovation.

World-Class Manufacturing and Testing Capabilities

• Custom-designed automated optical coating chambers and fabrication systems
• Advanced optical metrology lab featuring custom interferometry testing
• Complete in-house polishing and precision glass fabrication
• Extensive optical quality control and measurement laboratories
• State-of-the-art interferometry for broadband and narrowband filter analysis

From medical instrumentation to space-borne imaging systems, our vertically integrated facility enables Andover Corporation to deliver superior optical filters, coatings, and assemblies across a broad range of industries. By maintaining complete control over every phase of production — from raw material preparation through final optical metrology — we achieve consistent quality, accelerated lead times, and reliable performance for even the most demanding applications.