As an independent and owner-managed company, BLNFBR GmbH offers you customised solutions in the field of industrial fibre optics. With years of experience in developing and manufacturing fibre optic systems, we are available as a developer, manufacturer or OEM partner.

Founded as a sole proprietorship in Berlin in 2011, we now also stand for quality, reliability and a trusting cooperation with our customers as a GmbH (limited liability company) based just outside Berlin.


  • 2022
  • PHOTONIC DAYS Berlin Brandenburg, October 2022

    • Participation as exhibitor
  • 2021
  • Change of the company type

    • Establishment of a limited company (GmbH)
    • Relounch of the website
    • Expansion of production capacities 
  • 2019
  • Laser Technology

    • Expansion of production capacities for high-power laser cables (BF10 aka. LLK-A)
    • Further development of repair capabilities for LLK-A, LLK-B and LLK-D

  • 2018
  • Astrophotonics

  • 2017
  • Astrophotonik

    • Fertigung von wissenschaftlichen Faserbündeln für den Habitable Zone Planet Finder (HPF) der Department of Astronomy an der Penn State University
    • Konstruktion, Musterfertigung und Aufbau der Bündel
  • 2016
  • Astrophotonik

    • Establishment of a manufacturing area for VIRUS fiber optic bundles at the Department of Astronomy at the University of Texas at Austin.
    • Consulting of the scient. Staff with respect to repair and replacement of VIRUS bundles 

    new move 

    • Establishment and occupation of business premises in Gosen-Neu Zittau
    • Enlargement of the production to >110 m²
  • 2015
  • Relocation

    • Establishment of larger production areas in Tempelhof (Berlin)

    Laser technology

    • successful start of series production of LLK-A high-power laser cables

    3D printing

    • Introduction of 3D printing for optimization of manufacturing and testing equipment
  • 2014
  • Laser technology

    • Start of product development for a LLK-A high power laser cable, 
    • Design and prototype construction
    • Design of manufacturing and testing equipment

    Sensor technology

    • Manufacturing of fiber optic bundles for analysis technology in the beverage industry
  • 2013
  • Laser technology

    • Development of a modular system for SMA 905 and LD80 laser cables
    • Start of production of customized SMA fiber cables


  • 2012
  • Astrophotonics

  • 2011
  • Foundation in the form of a sole proprietorship

    • Move into a 20 m² office in Schöneberg
    • Planning of the first projects
    • Procurement of production and testing equipment