Plastic optical fiber, also abbreviated as POF, is a type of optical fiber made out of a polymer that transmits light and is used for illumination or data transfer. A big advantage of POF is the fact that it can bend and stretch, unlike fiber optics made of glass. ESKA™ is a high performance POF Mitsubishi product used for short range communications and light transfer.

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The accuracy, quality and precision of ESKA™ capabilities may be found in a broad spectrum of demanding applications including Critical Site Lighting, In-situ Medical Devices, Automotive Interiors and Networks, Home/Office Networks, Industrial Automation, robotics and much more. ESKA™ is available in an assortment of optical fiber grades as well as a variety of functional cable jackets.​