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Optical signal in a hollow core anti-resonant fiber propagates in an air core surrounded by single ring of anti-resonant tube elements. Guidance is based on an anti-resonance from the thin glass membranes constituted by the non-touching tubes surrounding the hollow core. The extremely low overlap of guided power with the surrounding silica, less than 2×10-5, added to the mode effective area, confers to this fibre design record material non-linearity.
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Features
Benefits
High damage threshold- Nearly single mode guidance
- Ultra low dispersion in the transmission bands
Applications
- Low latency data transmission
- Gas-filled AR hollow core fibre laser
- Molecular tracing, gas detection
- High-power delivery for pico- and sub-picoseconds optical pulses
Products
Publications
A High Sensitivity, Fast Response Optical Fiber Gas Sensor using Micro-drilled Anti-Resonant Fiber
28th International Conference on Optical Fiber Sensors, Hamamatsu Japan, November 2023, Paper Tu3.10 (2023)
The ARF used (Exail, IXF-ARF-45-240-V1) is designed for light guidance at 1550 nm.
A High Sensitivity, Fast Response Optical Fiber Gas Sensor using Micro-drilled Anti-Resonant Fiber
28th International Conference on Optical Fiber Sensors, Hamamatsu Japan, November 2023, Paper Tu3.10 (2023)
Dissolved gas sensing using an anti-resonant hollow core optical fiber
Applied Optics Vol. 60, Issue 33, pp. 10354-10358 (2021) https://doi.org/10.1364/AO.439787
The sensor used consists of a 1650.9 nm distributed feedback laser (DFB) (15 mW LD-PD/Ideal Photonics) coupled to a 5 m AR-HCF (Exail IXF-ARF-45-240) using an FC/APC connector for the laser fiber and an FC/PC connector for the AR-HCF.
Dissolved gas sensing using an anti-resonant hollow core optical fiber
Applied Optics Vol. 60, Issue 33, pp. 10354-10358 (2021) https://doi.org/10.1364/AO.439787
Hollow-Core Fiber Connector
26th Optoelectronics and Communications Conference OSA Technical Digest (Optica Publishing Group, 2021), paper S4E.3 https://opg.optica.org/abstract.cfm?URI=OECC-2021-S4E.3
For this study, we used Exail IXF-ARF-45-240, an HCF with an anti-resonant structure that is commercially available. We investigated the relationship between misalignment and coupling loss when connecting this fiber with a butt joint.
Hollow-Core Fiber Connector
26th Optoelectronics and Communications Conference OSA Technical Digest (Optica Publishing Group, 2021), paper S4E.3 https://opg.optica.org/abstract.cfm?URI=OECC-2021-S4E.3
