FlexiSpec®

Spectroscopy Fiber Probes & Probe Couplers

FlexiRay®

Fibers | Cables | Bundles | Accessories

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Loan & Installation | Measurements Training | Repair | Development
News
Latest News
13 November 2025
Technical Note: Choosing the Right Optical Fiber for Your Process Spectrometer

Is your process spectrometer giving you the full picture? For engineers working in process control and Process Analytical Technology (PAT), the quality and reliability of real-time data are paramount. While the spectrometer itself is the core of the system, its performance often hinges on a component that can be easily overlooked: the optical fiber. The […]

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24 October 2025
Webinar Recording Now Available: A Practical Guide to Selecting the Right Fiber Optic Probe

We extend our sincere thanks to all who attended our recent webinar, "Selecting the Right Fiber Optic Probe for your Application." The event was met with a great response, and the insightful questions from our live attendees underscored that choosing the best tool for spectroscopic analysis remains a key challenge for many scientists and engineers. […]

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Latest Events
18 November 2025
SPIE Photonics West 2026 | 17-22 January 2026 | San Francisco, CA, USA

art photonics GmbH is pleased to announce that we will be exhibiting at SPIE Photonics West 2026 in San Francisco. We invite you to join us at the world’s premier event for the optics and photonics industry, held at the Moscone Center from January 17-22, 2026. As a global leader in specialty fiber optic solutions, […]

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2 November 2025
Herbstkolloquium Prozessanalytik 2025 | 3-5 December 2025 | Frankfurt am Main, Germany

art photonics GmbH is pleased to announce its participation in the upcoming Herbstkolloquium Herbstkolloquium Prozessanalytik 2025 | 3-5 December 2025 | Frankfurt am Main, Germany art photonics GmbH will be participating in the Herbstkolloquium Prozessanalytik 2025, taking place from 3-5 December at the DECHEMA-Haus in Frankfurt am Main. We welcome you to visit us at […]

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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

Polycrystalline Mid-IR Fiber Cables

Main features:

  • High transmittance in the range 3 – 17 μm
  • Low optical losses 0.2 – 0.3 dB/m at 9 – 13 µm
  • Core/Clad structure with core diameters span from 240 to 860 μm
  • Minimal aging effect
  • Non-hydroscopic and non-toxic
  • Choice between standard- and spectral quality fibers

Contact us for customized -50°C to 140°C option or vacuum proof option

Available from stock:

Description

art photonics FlexiRay® Fiber Cables for a broad Mid-Infrared spectral range 3 – 17μm based on Polycrystalline Infra-Red (PIR-) Fibers.  FlexiRay® cables are used in a wide range of applications including Mid-IR light delivery, spectroscopy, remote temperature sensing, etc. PIR-fiber cables are available with a variety of standard fiber diameters, with different connectors (SMA-905, FC/PC, and FC/APC), and several types of protective sheathing. 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 the detailed Quality Control procedure.

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More Information

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

Specs

Standard product specifications
Optical Fiber Type Polycrystalline Step Index Multimode
Wavelengths range 3 – 17 µm
Transmission Level See spectra of standard- and spectral quality fibers in datasheet under downloads
Fiber Core/Cladding Sizes (μm) see parameters of standard Polycrystalline fibers
Effective Numerical Aperture (NA) 0.30±0.03
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 with Titanium ferrule
Temperature range -50°C to + 80°C
Length ≤ 15m depending on fiber diameter
Parameters of standard Polycrystalline fibers
Code Type Core Dia., µm Cladding Dia., µm Protective Jacket Dia., µm NA Min. bending  Radius, mm
PIR240/300 Step Index Multimode 240 ± 15 300+0/-15 no 0.30±0.03 45
PIR400/500 Step Index Multimode 410 ± 15 500+0/-15 no 0.30±0.03 75
PIR600/700 Step Index Multimode 600 ± 20 700+0/-15 no 0.30±0.03 100
PIR900/1000 Step Index Multimode 860 ± 20 1000+0/-25 no 0.30±0.03 150

Downloads

Graphs

Applications

  • Mid-IR spectroscopy
  • Power delivery for Quantum Cascade Lasers
  • Power delivery for CO- and CO2-Lasers
  • Flexible IR-imaging systems
  • Flexible IR pyrometry

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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