J-Fiber Jena

Fiber optic solutions precisely matched to our clients’ diversified markets, applications and requirements

Our range of products is as diversified and specific as our clients‘ markets, applications and requirements: We develop and manufacture optical fibers for high-speed data transmission in advanced data centers and Local Area Networks (LAN); specialty fiber solutions for light and data transmission in diversified OEM high-end applications in industry, medicine, communications and research; as well as ultra-pure fused silica materials for use in high-performance optics and laser technologies.

The Business Unit Fiber Optics of LEONI Group thereby focus on the different target markets to develop the fiber optic products and services that precisely meet its clients’ applications:

… offers cable manufacturers worldwide long term competence in the development and manufacturing of high-performance, cost-efficient optical fibers for data transmission.
We are one of the worldwide leading suppliers of Multimode fibers specifically for the demands of high-speed data transmission networks in LAN and data center.

LEONI’s Business Unit Fiber Optics further more offers …
… its OEM clients in industrial and optical applications, sensor technology and optical analysis, scientific purposes, the telecommunication sector and laser medicine complete solutions which comprise ultra-pure fused silica, preforms and rods, as well as optical fibers.
The company thereby uses j-fiber as its competence center for fused silica and preforms.



j-fiber GmbH
Im Semmicht 1
D-07751 Jena, Germany

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