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Proceedings Paper

Sub-wavelength THz plastic fibers
Author(s): Ja-Yu Lu; Hung-Wen Chen; Li-Jin Chen; Chi-Kuang Sun
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Paper Abstract

In this report, we will review our recent development on the sub-wavelength plastic fiber for THz waveguiding. The proposed and demonstrated terahertz single-mode sub-wavelength waveguide is similar to an optical taper fiber, having a low attenuation constant (~10-2 cm-1), a high coupling efficiency, and a free-space direct coupling capability, comprised with a sub-wavelength PE fiber core with air cladding. The spectral characteristic of the sub-wavelength THz fiber will be discussed, with an effective attenuation minimum of THz waves on the order of or less than 10-3 cm-1 at a specific wavelength range which depends on the fiber diameter. More over, the application of the sub-wavelength plastic fiber will also be discussed, including a first demonstration of a singlemode fiber-based THz directional coupler.

Paper Details

Date Published: 1 February 2007
PDF: 12 pages
Proc. SPIE 6472, Terahertz and Gigahertz Electronics and Photonics VI, 647208 (1 February 2007); doi: 10.1117/12.705499
Show Author Affiliations
Ja-Yu Lu, National Taiwan Univ. (Taiwan)
Hung-Wen Chen, National Taiwan Univ. (Taiwan)
Li-Jin Chen, National Taiwan Univ. (Taiwan)
Chi-Kuang Sun, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6472:
Terahertz and Gigahertz Electronics and Photonics VI
Kurt J. Linden; Laurence P. Sadwick, Editor(s)

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