Abstract
We report the use of a terahertz (THz) transparent material, cyclic olefin copolymer (COC or TOPAS), for fabricating a hollow-core antiresonant fiber that provides an electromagnetic wave guidance in the THz regime. A novel fabrication technique to realize a hollow-core antiresonant polymer optical fiber (HC-ARPF) for THz guidance is proposed and demonstrated. The fiber is directly extruded in a single-step procedure using a conventional fused deposition modeling 3D printer. The fiber geometry is defined by a structured nozzle manufactured with a metal 3D printer, which allows tailoring of the nozzle design to the various geometries of microstructured optical fibers. The possibility to use the HC-ARPF made from TOPAS for guiding in the THz region is theoretically and experimentally assessed through the profile of mode simulation and time-frequency diagram (spectrogram) analysis.
| Original language | English |
|---|---|
| Article number | 420672 |
| Pages (from-to) | 1513-1521 |
| Number of pages | 9 |
| Journal | Photonics Research |
| Volume | 9 |
| Issue number | 8 |
| Early online date | 7 Jun 2021 |
| DOIs | |
| Publication status | Published - 1 Aug 2021 |
UN SDGs
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SDG 9 Industry, Innovation, and Infrastructure
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