Andover Corporation

Andover can design and fabricate long pass and short pass filters to suit your particular requirements. Every phase of the process is performed in-house, including thin-film coating design, mechanical design, substrate fabrication and polishing, coating, inspection, and environmental testing.

We can coat a variety of substrate materials, including Germanium, Sapphire, Silicon, Zinc Sulfide, and Zinc Selenide.

Contact us for a quotation, whether it is for prototype quantities, or production quantities. For convenience and economy, we also offer a slection of standard IR long pass filters.