FlexiSpec®

Spectroscopy Fiber Probes & Probe Couplers

FlexiRay®

Fibers | Cables | Bundles | Accessories

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Loan & Installation | Measurements Training | Repair | Development
News
Latest News
21 October 2026
Day of Photonics 2026

Today, 21 October, is the Day of Photonics. The date marks the day in 1983 when the General Conference on Weights and Measures fixed the speed of light at exactly 299,792,458 m/s. The European Photonics Industry Consortium (EPIC) started the Day of Photonics in 2014 to make the field more visible outside labs and companies. […]

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20 October 2026
Flexible CO₂ laser delivery at 10.6 µm: PIR fibers vs hollow waveguides

art photonics Technical Note 007 Both polycrystalline silver halide fibers (PIR) and hollow waveguides (HWG) from art photonics transmit up to 85–90 % of CO₂ laser radiation (10.6 µm) through a 1 m high-power cable. Choose a PIR fiber when the cable must bend, move or run long distances: a full 360° loop costs only […]

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Latest Events
30 October 2026
EAS 2026 | 16-18 November 2026 | Crowne Plaza Princeton Conference Center, Plainsboro, NJ, USA

Our CEO, Dr. Stefanie Foerster, will represent art photonics GmbH at the Eastern Analytical Symposium & Exposition (EAS 2026), taking place 16–18 November 2026 at the Crowne Plaza Princeton Conference Center in Plainsboro, New Jersey. During the show, Stefanie will join our close partner M Yusuf at the Situs Light booth, #L1. From Laboratory Analysis […]

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13 October 2026
analytica China 2026 | 16-18 November 2026 | Shanghai New International Expo Centre (SNIEC), China

art photonics will be represented at analytica China 2026 in Shanghai from 16 to 18 November 2026. Together with our local distribution partner, UniqueRay Technologies Limited (Uray), we will be presenting our specialty fiber-optic solutions for inline Process Analytical Technology (PAT) and laboratory spectroscopy at Booth # E6.6920. At art photonics, we design and manufacture […]

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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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Discover the Ultimate Fiber Connection for High-Vacuum Optical Setups

Posted on: 
24 July 2026

When your research or production takes you into extreme environments, maintaining perfect optical transmission should never be a hurdle.

At art photonics GmbH, we invite you to explore our FlexiRay® Vacuum Fiber Optic Feedthroughs - engineered to provide a highly flexible, continuous optical path directly into your vacuum or pressurized chambers.

Whether you are conducting Mid-IR spectroscopy, flexible IR pyrometry, or routing power for Quantum Cascade lasers, our feedthrough assemblies are designed to be the preferred choice for advanced optical engineering.

Here is what makes our solution stand out:

  • Continuous Fiber Path (No Intermediate Splices): Say goodbye to the high coupling losses associated with traditional split setups. Our unique single-piece design allows the entire cable to pass directly through the flange without an intermediate repeater. This ensures excellent, uninterrupted signal throughput from the source directly to your sample.
  • Exceptionally Low Leak Rate: Reliability is critical in vacuum environments. Our feedthroughs are Helium leak-tested to perform below detection limits (better than 5x10⁻¹² mbar*l/s). The system confidently handles pressures ranging from 10 Bar down to 10⁻⁷ Torr.
  • Wide Temperature Tolerance: Built for environmental extremes, these feedthroughs support cryogenic applications operating down to 2K, as well as high-temperature setups reaching up to 600°C when utilizing our specialized Cu-coated silica fibers.
  • Mid-IR and Laser Power Delivery: Seamlessly route light and laser power across the entire 0.2 to 18 µm spectrum. Our assemblies are available with Silica, PIR, CIR, and Fluoride glass fibers to perfectly match your specific wavelength requirements.
  • Standard KF/CF Flanges & Adjustable Cable Length: Designed for seamless integration, our feedthroughs fit any requested flange type, including standard KF and CF flanges. Furthermore, the movable cable design allows you to adjust the exact length needed inside your chamber for ultimate installation flexibility.

Ready to elevate your optical integration?

Explore the full technical specifications and find the perfect configuration for your next project on our product page: art photonics Vacuum Fiber Optic Feedthroughs

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