Diamond-Like Carbon (DLC)

Diamond-Like Carbon (DLC)

A DLC (Diamond-Like Carbon) coating is used across many industries, especially in defense and security applications, where the external optic necessitates anti-reflective properties and durability to withstand the harshest environmental conditions.

While inherent property concerns of DLC, such as compressive stress, can be controlled with process input settings, the real Achilles heel of a DLC coating are Pinholes – common to systems that coat up.

Our custom-designed DLC coating chamber deposits the carbon towards the top of the chamber which results in optical coatings with virtually zero pinholes. In addition, we use the Plasma-Enhanced Chemical Vapor Deposition (PE-CVD) technique which results in a better quality product. The process also eliminates the 4 most common customer issues associated with coatings – pinholes, uniformity, stress and adhesion.

In addition to coating typical IR optics such as germanium, silicon, zinc selenide and zinc sulfide, our technology offers coating options for chalcogenides.

We look forward to learning more about your challenges and discussing how we may help solve them. Call 1-833-IR-FRANK or email irfrank@dynasil.com if you are facing challenges coating your chalcogenide-based IR optics.

Download the DLC/HEAR Info Sheet

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