FlexiSpec®

Spectroscopy Fiber Probes & Probe Couplers

FlexiRay®

Fibers | Cables | Bundles | Accessories

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News
Latest News
17 March 2026
Application Note: Identification of Organic and Pharmaceutical Powders

Real-time, in-line powder identification usually means a trade-off between speed and accuracy. We proved it doesn't have to. We recently teamed up with our Nynomic Group partner, m-u-t GmbH, to release a joint Application Note. The goal was simple: build a compact, field-ready NIR setup capable of analyzing complex organics directly in the bulk material, […]

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10 March 2026
Celebrating International Women's Day: Brilliant Minds in Photonics

Today, we celebrate International Women's Day by recognizing the brilliance, innovation, and courage of women who continually push the boundaries of science. The field of photonics is built upon deeply impressive contributions from female scientists. From Maria Goeppert Mayer laying the foundational work for multiphoton absorption to Donna Strickland's Nobel Prize-winning breakthroughs in laser technology, […]

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Latest Events
16 March 2026
Analytica 2026 | 24-27 March 2026 | Munich, Germany

We are happy to announce that art photonics GmbH is heading to Analytica 2026! Join our team in Munich this March to discover the latest advancements in Process Analytical Technology (PAT) and see firsthand how we are transforming industrial process monitoring. Transitioning from Offline Samples to Real-Time Insights Are you still pulling samples from your […]

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20 February 2026
EPIC Online Technology Meeting on Specialty Optical Fibers for Lasers | 23 February 2026 | Online

We are excited to announce that art photonics GmbH is taking the virtual stage on February 23, 2026, at the EPIC (European Photonics Industry Consortium) Online Technology Meeting on Specialty Optical Fibers for Lasers. Specialty optical fibers are the backbone of modern, high-performance laser systems. Whether driving industrial manufacturing, advanced sensing, or medical technology, the […]

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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:

Excel LogoArtphotonics_Sale  Mid-IR cables and bundles

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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