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The Coating on the optical element is very important, which can improve the transmission, high reflection, etc. Foctek offers all kinds of anti-reflective (AR coating), high reflective (HR Coating) and partial reflective (PR Coating) coating according to customer's requirement. Foctek produces a wide variety of coatings from simple single layer AR coatings using MgF2 and mirror coatings to complex multi-layer dielectric coating. Typical types of dielectric coatings are BBAR, V-coatings, and Dual wavelength coatings.

Foctek measure the coating spectral curves by Perkin-Elmer Lambda 900(UV/VIS/NIR) spectrophotometer for our coatings. The coating spectral curves measured by Perkin-Elmer Lambda 900 can be provided upon your request. Foctek make coatings meet the Standard Mil Spec tests of Abrasion (Mil-C-675A), Adhesion (Mil-M-13508C), Hardness(MIL-M-13508C)

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