Innovative fiber optics solutions

LEONI has engaged systematically with photonics, which is one of the key technologies of the 21st century.

The Business Unit Fiber Optics of the LEONI Group is a leading provider of ultrapure Fused Silica, preforms, and rods, as well as optical fibers, cables, assemblies, and special components.

We see photonics as an enabling technology for our customers’ ideas and problem-solving solutions. Whether standardized with corresponding regional approvals or specific and entirely novel approaches to problem-solving, we provide you with competent, professional support.

In doing so, we offer a unique product portfolio at every stage along the value chain: from Fused Silica to preform and the drawn fibers through to fiber optical cables and complete fiber optic systems with optical components that we have developed in-house. Along this value chain, we can adjust and optimize many factors independently according to your requirements without needing support from external partners.


Step-index fibers with rectangular core for high-power laser beam transmission
26 Jun 2019ArticleFibersSpecial optical fibers
Step-index fibers with rectangular core for high-power laser beam transmission

The homogeneity of energy transmission is of paramount importance for a wide range of laser system applications in medicine and manufacturing.  A...

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Our value chain

What defines us

  • Global fiber optics experts
  • Extended vertical integration means we can intervene anywhere in the value chain without external support
    • Raw materials – fibers – cables – assemblies – medical products – special optical components – passive optical networks
  • OEM and ODM development and service partner
    • From prototyping (Development and consulting) to high-volume/large-scale production
    • Have a specific problem in mind? We are happy to work with you to find the solution. Early involvement in the development process offers major advantages for both parties.
  • Fiber optical products for an integrated system solution
  • Main areas of application
  • Our product portfolio

Your advantages

  • All components for passive optical networks from a single source
  • Design freedom for the OEM
  • OEM branding possible
  • Specific product approvals (UL, CPR, CE, DNV GL, EN 45545-2, etc.)
  • Future-oriented data and signal transmission systems (connectivity)
  • Joint system and solution development projects
  • Global presence
  • Access to all of LEONI’s competencies and technologies worldwide
  • LEONI has been a reliable partner for a diversity of markets since 1917

Our strengths

  • Joint development projects
  • Early involvement in product development
  • Custom builds to customer requirements
  • Excellence in production and logistics
  • Integration of fiber optics solutions in OEM end-user applications and products (e.g. medicine)
  • Profound understanding of end-user applications in OEM/ODM market
  • Fiber optics experts with many years of experience
  • Engineering
  • Architectural design of passive optical networks
  • Simulation and software


Please contact us for further information. We look forward to your inquiry.

Europe, Africa, and Asia (excl. China)
Phone +49 36764-81-100

Phone +86 519-8988-7783

North and South America
Phone +1 757-258-4805

Sales network

Contact form


Fiber Optics

Fiber Optics

Light switching · Light transportation· Light distribution


Innovative fiber optics solutions

Innovative fiber optics solutions


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