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Proceedings Paper

Microwire fibers for low-loss THz transmission
Author(s): Shaghik Atakaramians; Shahraam Afshar Vahid; Bernd M. Fischer; Heike Ebendorff-Heidepriem; Tanya Monro; Derek Abbott
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Paper Abstract

In this paper, we will investigate microwire fibers for low-loss terahertz transmission. Microwires, air-clad wire waveguides with diameter smaller than the operating wavelength (a few μm), have an enhanced evanescent field and tight wave confinement resulting in a low loss waveguide structure for the terahertz (T-ray) frequency regime. Based on our experimental data for the bulk material absorption of four glasses (F2, SF6, SF57 and Bismuth) and a polymer (PMMA), we calculate the normalized field distribution, power fraction outside the wire and effective loss. It will be shown that regardless of material, the effective loss of all microwires converges to the same order < 0.01 cm-1.

Paper Details

Date Published: 11 January 2007
PDF: 7 pages
Proc. SPIE 6414, Smart Structures, Devices, and Systems III, 64140I (11 January 2007); doi: 10.1117/12.695785
Show Author Affiliations
Shaghik Atakaramians, The Univ. of Adelaide (Australia)
Shahraam Afshar Vahid, The Univ. of Adelaide (Australia)
Bernd M. Fischer, The Univ. of Adelaide (Australia)
Heike Ebendorff-Heidepriem, The Univ. of Adelaide (Australia)
Tanya Monro, The Univ. of Adelaide (Australia)
Derek Abbott, The Univ. of Adelaide (Australia)

Published in SPIE Proceedings Vol. 6414:
Smart Structures, Devices, and Systems III
Said F. Al-Sarawi, Editor(s)

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