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j-fiber GmbH

Booth number: 1A13-2

About us

j-fiber is one of the leading suppliers of optical fibers and reliable partner to the cable industry worldwide. With high-performance, future-safe and cost-efficient Multimode and Singlemode fibers we support cable solutions for up to 100 Gb/s Ethernet high-speed data transmission in Local Area Networks and data center. As the internal competence center for fused silica and preforms we enable the development and manufacturing of innovative fiber optics specialty solutions for LEONI Group’s Business Unit Fiber Optics.


j-fiber GmbH
Im Semmicht 1
07751 Jena

Phone: +49 3641 352-100
Fax: +49 3641 352-101

Marco Nittmann
Head of Sales
Phone: +49 3641 352-142

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