About Guernsey coating laboratories, inc.

About company

Since 1982, Guernsey Coating Laboratories, Inc. (GCL) has provided superior quality optical thin-film coatings and unsurpassed customer service. With both a complete line of standard coatings, as well as custom coating designs, we are able to meet the specific needs of our client’s applications. Our coatings cover the wavelength range from the ultraviolet to the near infrared.