State of the Art
Optical Coatings

Achieving the Highest Possible Performance

Guernsey Coating Laboratories, Inc., is an optical coating company specializing in quality thin-films covering the wavelength range from ultraviolet to the near infrared.

With a complete line of standard coatings as well as custom coating designs, GCL reaches such areas as:

  • Medical
  • Aerospace
  • Defense
  • Optical Instrumentation
  • Inspection Equipment
  • Telecommunications
  • Imaging, Displays
  • Lighting & Scanning
  • Universities
  • Laser and Semiconductor fields.

GCL meets and often exceeds Mil-Spec requirements committing to both a higher standard of performance while working with our customers to bring about a successful product.