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Proceedings Paper

Polyethylene photonic crystal fibers as terahertz waveguides
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Paper Abstract

Photonic crystal fiber (PCF) has aroused growing interest over the past few years becauce PCFs exhibit many unusual properties, especially an endlessly single mode and highly tunable dispersion. Polyethylene have distinguish advantages such as the real part of dielectric constant keep constant in the frequency range from 0.1THz to 2THz that the material dispersion contribute little to total dispersion, and the imaginary part of the dielectric constant is close to zero in THz frequencies that the material loss is low. This offer a new possibility of constituting polyethylene PCF for low loss and low dispersion THz waveguide. In this paper, propagation properties of polyethylene PCF in THz frequencies are analyzed by full-vector model. Numerical results demonstrate that effective index of fundamental mode decreases with frequency decreasing and near zero-dispersion can be obtained over a wide frequency region.

Paper Details

Date Published: 5 December 2005
PDF: 5 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601941 (5 December 2005); doi: 10.1117/12.634911
Show Author Affiliations
Shuqin Lou, Beijing Jiaotong Univ. (China)
Hong Fang, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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