Optical Coatings

Markets and Applications

Who We Serve

Penn Optical Coatings works with optical fabricators, manufacturers, and OEMs to provide optical thin film coatings or completed optics, from 1 millimeter to 1 meter. With over 40 years of experience, we’re committed to our long-term partnerships in the optics and photonics industry.

Our optical coatings are designed to enhance optical performance across a variety of markets. Our optical coatings can improve light transmission, reduce reflections, increase durability, and control the spectral properties of your optics. From defense and aerospace to electronics and automotive, our coatings enable advancements in technology, enhance performance, and contribute to safety, efficiency, and sustainability.


Penn Optical Coatings provides the following markets and applications with high-performance optical coatings and solutions. To see how Penn can serve your specific needs, see our library of standard coatings or request a custom solution

Medical & Biotech

  • Cosmetic Laser Optics
  • Endoscopy
  • POC Device Optics
  • Illumination Optics
  • UV Coatings for Disinfection

Defense & Aerospace

  • IR Optics
  • Target Acquisition
  • Windows
  • Range Finding Optics

Scientific & Research

  • Astronomy
  • Physics
  • Materials


  • Machine Vision
  • Inspection
  • Metrology
  • Automotive
  • Projection
  • LiDAR

Ready to get started? Request a Quote.


Penn Optical Coatings continually innovates across diverse markets and applications. Along the way, we’ve had the opportunity to work on some interesting projects!

Food Inspection

A seafood company reached out to Penn Optical Coatings for help retrofitting an inspection system with new optics. Our engineers were able to determine and design the coating to update their inspection systems.

U.S. Department of Defense

Penn Optical Coatings provides high-volume optical windows with a complex custom coating, allowing for reliable performance at different wavelengths in the visible and near infrared.

Telescope Mirrors

To support a CalTech project, our team was able to develop the tooling for a 30” optical mirror with a custom, electrical conducting AR coating in the infrared range.

Have an interesting project you want to discuss with our team?

Contact us to get started on project exploration.

Your Optical Coating Experts

Our team has a number of optical coating experts ready to help you find the best-fit coating solution.

Carol Valeriano

Optical Assembler
36 years in Optical Coatings