Welcome to LEONI Fiber Optics, Inc., the North American subsidiary of LEONI Fiber Optics GmbH. We look forward to doing business with you.

Please see the table below for a brief summary of our company and our fiber optic products, assemblies and devices. Then, email us and let our sales and engineering staff customize an innovative and cost effective fiber optic solution for your application.

23 July 2012
LEONI Fiber Optics, Inc. strengthens its position as a leader in optical fiber technology, acquires Richard Losch, Inc.
Williamsburg, VA. LEONI Fiber Optics, Inc. announces the acquisition of substantially all assets of US company Richard Losch, Inc. View the LEONI press release. Please see our Updates & Press Release page for more news.

LEONI Fiber Optics guarantees you only the best service for all your fiber optics needs.

You may want to read about a few of our fiber optic solutions in action as well. Or, browse our fiber optic Data Sheets for details on a number of our product groups and to see the wide range of products in our manufacturing arsenal. You can also view our Standard Product Group.

We are an established leader in the fiber optics industry and are always ready, willing and able to meet your needs.

Our QMS has been independently audited and found to meet all requirements of ISO 9001:2008 and ISO 13485 with cGMP.

Contact us now! Or meet us at a Tradeshow this year. Let's talk fiberoptics!

And, please check back with us frequently as we are always adding more information and products to this site.

Thank you for visiting LEONI Fiber Optics online!

LEONI Fiber Optics, Inc. - Fiber Optics, Assemblies and Devices

Fiber Optic Applications


  • Telecommunications
  • Data Communications
  • Process Control
  • Medical
  • Analytical Instrumentation
  • Petrochemical
  • Power and Energy
  • Research

Fiber Optic Products

  • Patchcords and cables - single mode, multi-mode & graded index
  • Large core multi-mode cables
  • High-power connectors
  • Bundles: single-leg, bifurcated & multi-legged
  • Linear arrays & spaced V-groove arrays
  • Spot to slit converters
  • Laser diode pigtails
  • Probes: Fluorescence, Absorption and Dip
  • Cuvette holder / fiberoptic integrated stands
  • Vacuum feedthroughs
  • Attenuators
  • Tapered and splitter waveguide structures
  • Collimator, coupler, filter, imaging & focusing devices
  • Detector / Amplifier modules

LEONI's Fiber Optic Services

  • Detectors and emitters mounted and aligned in fittings and holders
  • Complete assembly service of sensor packages