FlexiSpec®

Spectroscopy Fiber Probes & Probe Couplers

FlexiRay®

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News
Latest News
25 August 2025
Introducing FlexiRay® Square-Core Laser Cables

art photonics GmbH is proud to announce a significant addition to our portfolio: the new FlexiRay® Square-Core Silica Laser Cable, engineered to enhance the performance and efficiency of diode laser light transmission. While traditional round-core fibers have long been the industry standard, an increasing number of advanced applications demand a more specialized solution for beam […]

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4 August 2025
Dr. Eng. Krzysztof Inglot Joins art photonics GmbH as New Sales Lead

We’re happy to introduce the newest member of the art photonics family: Dr. Eng. Krzysztof Inglot, who joins us as our new Sales Lead! When we bring a new leader onto our team, we look for a special kind of drive. As an Ironman triathlete, Krzysztof knows all about endurance, strategy, and pushing past limits […]

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Latest Events
12 September 2025
ILMAC 2025 | 16-18 September 2025 | Basel, Switzerland

The art photonics team is happy to announce that we will be attending ILMAC 2025, the leading Swiss trade fair for process and laboratory technology. We invite you to join us in Basel, Switzerland, from September 16-18, 2025, for what promises to be an exciting event for the future of industrial manufacturing. Meet Our CEO, […]

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1 September 2025
APACT 2025 | 23-25 September 2025, Glasgow, UK

art photonics is excited to announce our participation in the APACT 2025 conference, taking place from September 23-25 in Glasgow. We will be showcasing how our advanced fiber optic solutions are making robust Process Analytical Technology (PAT) a reality, even in the most extreme industrial environments. A key highlight of the event will be a […]

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Resources
About Our Company
art photonics GmbH, founded in Berlin in September 1998, is one of the worldwide leaders in development and production of specialty fiber products for a broad spectrum from 300 nm to 16 µm. Unique technologies of Polycrystalline Mid InfraRed (PIR-) fibers and Metal coated Silica fibers are used for assembly of various spectroscopy probes for medical diagnostics and industrial process control, in volume production of fiber for medical and industrial lasers, for different fiber bundles, etc. Since January 2024 art photonics GmbH is a member of NYNOMIC GROUP.
Member Of:
UV 200-400 nm
Visible
Near IR 750-2500 nm
Mid IR 2.5 - 18 µm

Chalcogenide Mid-IR-Fiber Cables

Main features:

  • High transmittance in 1.1 – 6.5 μm range
  • Low optical losses 0.2 – 0.3 dB/m at 2.5 – 4 μm and 4.5 – 5 μm
  • Core/Clad structure with core diameters span from 8 to 340 μm
  • Temperature range -50°C + 90°C

Available from stock:

 

Description

art photonics offers FlexiRay® Fiber Cables for a Mid-Infrared spectral range 1.1 – 6.5 μm. Based on Chalcogenide Infra-Red (CIR-) fibers, FlexiRay® fiber cables are used in a wide range of applications including power delivery of QCL, spectroscopy, Flexible IR-imaging systems, etc. CIR- fiber cables are available with a variety of standard fiber diameters, SMA-905, FC/PC, FC/APC connectors, and several types of protective tubing. Manufacturing technologies of art photonics assure precise fiber position inside the connector ferrule and a perfect surface quality of the fiber end. Before shipping, each fiber cable passes through detailed Quality Control procedure.

For more information please visit our “Downloads” section and find relative articles at our “Publications” page.

Specs

Standard product specifications
Optical Fiber Type Chalcogenide Step Index Multimode
Wavelengths range 1.1 – 6.5 µm
Fiber Core/Cladding Sizes (μm) see parameters of standard Chalcogenide fibers
Effective Numerical Aperture (NA) see parameters of standard Chalcogenide fibers
Minimum bending radius depending on protective sheathing PEEK tubing – 130mm;
metal PVC coated tubing – 80mm;
stainless steel tubing – 80mm;
stainless steel silicone-coated tubing – 130mm
Connectors SMA-905; FC/PC or FC/APC
Temperature range -50°C to + 90°C
Parameters of standard Chalcogenide fibers
Code Type Core, µm Cladding, µm Protective Jacket, µm NA Min. bending Radius, mm
CIR8/300 Step Index Singlemode 8 ± 1 300 ± 15 400 ± 20 0.25 ± 0.02 60
CIR50/250 Step Index Few-mode 50 ± 3 250 ± 10  410 ± 20 0.13 ± 0.02 50
CIR250/300 Step Index Multimode 250 ± 10 300 ± 15  400 ± 30  0.30 ± 0.03 60

Downloads

Graphs

Applications

  • Mid-IR spectroscopy
  • Flexible IR-Imaging systems
  • Flexible IR pyrometry
  • Power delivery for Quantum Cascade Lasers

Inquiry

Do you have any questions about this or any other product? Send us an inquiry, and our personnel will answer your question as soon as possible.

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