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Guernsey Coating Lab Marks 30 Years
Jan 2013
VENTURA, Calif., Jan. 30, 2013 — Guernsey Coating Laboratories (GCL) is celebrating 30 years in the photonics industry as a manufacturer of vacuum deposited optical coatings.

Driven by a desire to improve the performance and development of quality thin films, Peter Guernsey began operations in 1982 in Dana Point with an 18-in. vacuum system focusing on just a few applications as MgF2, enhanced aluminum and bare aluminum, with each substrate individually inspected, cleaned and evaluated. In 1984, GCL moved to Ventura, expanding its facility from a one-chamber shop to a manufacturing plant. 

The company uses resistance source thermal deposition, electron beam, ion assisted electron beam and ion beam sputtering techniques to deliver coatings that cover the wavelength spectrum from ultraviolet to the near-infrared.

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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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