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News
Latest News
24 December 2025
Merry Christmas and a Happy New Year 2026 from art photonics!

If you look closely at our holiday card this year, you might notice a familiar tool in an unfamiliar setting. Yes, that is one of our probes in the wine glass! It is a little nod to who we are: even when we are celebrating, we never stop thinking about the science that brings us […]

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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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Latest Events
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.
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Application Note: Polymer Classification with NIR Spectroscopy with Fiber-Optic Probes

Posted on: 
25 April 2025

Reliable identification and classification of raw polymer materials are essential for quality control and efficient processing.

Did you know that near-infrared (NIR) spectroscopy combined with advanced fiber-optic probes offers a powerful solution? This technique allows for rapid, non-destructive analysis outside the lab, making it possible to perform measurements right in the field or directly online.

art photonics' Diffuse Reflectance Fiber Optic Probes are designed for remote spectroscopy, collecting data needed for these demanding applications. The data is then processed using Principal Component Analysis (PCA), which enables the classification of various polymer raw materials, even when their spectra overlap.

Our latest application note demonstrates the successful classification of key polymers such as:

• Polyethylene terephthalate (PET)
• Acrylonitrile butadiene styrene (ABS)
• Polypropylene (PP)
• Polycarbonate (PC)
• Linear low-density polyethylene (LLDPE)

This capability makes near-infrared spectroscopy with fiber probes an optimal tool for developing robust Process Analytical Technology (PAT) and automated process control systems in the plastics industry.

To learn more about the methodology and results, please explore our new Application Note.

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