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17 December 2025
Application Note: Monitoring Ethanol Evaporation in Mulled Wine using Fiber-Based MIR Spectroscopy

Believe it or not, Christmas 2025 is fast approaching. For many, the holiday season is synonymous with traditional markets and the comfort of a hot cup of mulled wine. However, there is a genuine scientific reason why you should never let your Glühwein boil, and it goes beyond simple culinary advice. In our latest Application […]

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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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5 December 2025
Meet Us at the 20. Herbstkolloquium Prozessanalytik

The art photonics team is currently fully engaged at the 20. Herbstkolloquium Prozessanalytik, and with two days already behind us, we are thrilled with the productive atmosphere and the depth of the technical exchanges. The event kicked off with strong momentum, setting the stage for deep discussions on the future of process control. We were […]

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25 November 2025
Webinar: Combi Probes - Solving the "Blind Spot" of Single-Mode Spectroscopy

In complex chemical analysis and biomedical diagnostics, relying on a single spectroscopic technique often results in a "blind spot." While Near-Infrared (NIR) offers speed, it frequently lacks specificity. Raman spectroscopy provides a precise molecular fingerprint but often battles fluorescence interference. Mid-IR offers excellent structural detail but is limited by shallow penetration depths. The Challenge: Spatial […]

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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

Hollow Glass IR-Fibers

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Main features:

  • High transmittance in selected parts of 3 - 17μm range for customized applications
  • No Fresnel reflection at the end faces
  • Inner diameter spans from 500 to 1000μm
  • Double polymer coating for high flexibility

For more information see data and downloads available below.

Description

Hollow Silica Glass IR-Fibers  (Hollow Glass Waveguides) design is a perfect option to transmit a low divergent IR-light of Mid IR-spectrum from 3 to 17μm. High performance fibers are produced with core diameters span from 500µm to 1000µm with double polymer jacket to secure a superior mechanical strength and high flexibility of HGWs.

Low optical losses at the selected spectral windows without Fresnel reflection enable a broad variety of HGW applications in Mid IR-range.

Specs

Specification
Glass capillary
SiO2
Fresnel Reflection Losses 0%
Attenuation at designed minimum see table below
Core Diameter (standard) see table below
Effective Numerical Aperture NA 0.05+/-0.01
Bending losses, ø=400mm, full loop 360o 1 dB
Protective Jacket Acrylate + Fluoro polymer
Operating Temperature –50°C to +90°C
Minimum Elastic Bending Radius 150 x [Inner Diameter]
Parameters of standard HGW Hollow Glass IR-fibers
Code Inner diameter µm Outer diameter, µm Protective Jacket, µm Optical losses at 10.6µm wavelength, dB/m Min. bending Radius, mm
HGW 500 500 ± 25 650 ± 20 1000 ± 30 0.7 75
HGW 750 750 ± 30 950 ± 25 1300 ± 50 0.5 100
HGW 1000 1000 ± 30 1300 ± 25 1600 ± 50 0.3 150

Downloads

Graphs

 

Applications

  • Laser Power Delivery for CO- & CO2-lasers
  • Flexible cables for Quantum Cascade Lasers and Spectral Systems
  • Spectral analysis of gas mixtures

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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