About Optical Filter Source

Founded in 2002, Optical Filter Source has grown into one of the most versatile and trusted optical coating companies in the U.S. Based in Round Rock, TX, we are committed to delivering precision-engineered thin film coatings and high-performance optical components for a wide range of industries.

In 2024, Optical Filter Source was acquired by North American Coating Laboratories (NACL), strengthening our capabilities and expanding our reach within the optical coatings industry. This strategic partnership allows us to leverage NACL’s extensive expertise in advanced coating technologies while continuing to provide the exceptional quality and service our customers have come to expect.

With over two decades of expertise, we specialize in PVD thin film coatings, custom optical fabrication, and turn-key solutions for customer-furnished materials (CFM) or build-to-print projects. Our state-of-the-art 8,200 sq. ft. facility supports clients from R&D prototyping to full-scale production, serving industries including aerospace, defense, medical, and research institutions.

At Optical Filter Source, quality is not just a promise—it’s our standard. Our rigorous quality management system ensures that every product meets or exceeds customer expectations. Now, as part of the NACL family, we are poised to offer an even broader range of cutting-edge optical solutions, reinforcing our position as a leader in the industry.