Andover Corporation is a recognized world leader in the manufacture of high-quality optical coatings and optical filters. We manufacture a broad array of standard and custom components including bandpass, ND, long- and short-pass, heat-control filters, and more. Wavelengths from UV to Mid IR. Optical coating deposition techniques include ion-assisted e-beam deposition (IAD), and magnetron sputtering. Applications include airborne surveillance and targeting, spaceborne and ground-based astronomy, machine vision, photolithography, agricultural imaging, hyperspectral imaging, water and gas analysis, calibration, etc. ISO 9001:2015 and AS9100:2016 certified, and ITAR registered.