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Proceedings Paper

Characterization of hollow polycarbonate metal waveguides using Terahertz time domain spectroscopy
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Paper Abstract

In recent times, terahertz (THz) or the far-infrared region of the electromagnetic spectrum has gained critical significance due to many potential applications including medical diagnostics, nondestructive evaluation of material parameters, chemical sensing, remote sensing and security screening. However with the development of various applications, the need of guided systems for the transmission of THz radiation have posed a challenge, as a flexible waveguide could simplify the propagation and detection of THz waves in remote locations without atmospheric absorption. Different structures, such as, rigid hollow metallic waveguides, solid wires, or short lengths of solid-core transparent dielectrics such as sapphire and plastic have already been explored for THz guiding to characterize their individual loss and dispersion profile. Recently, it has been reported that copper coated flexible, hollow polycarbonate waveguide has low loss of less than 4 dB/m with single mode operation at 1.89 THz. In the present study, using a broadband THz source of photoconductive antennae, we characterize the loss and dispersion profile of hollow core polycarbonate metal waveguides in the frequency range of 0.2 to 1.2 THz.

Paper Details

Date Published: 7 March 2006
PDF: 9 pages
Proc. SPIE 6120, Terahertz and Gigahertz Electronics and Photonics V, 61200B (7 March 2006); doi: 10.1117/12.642972
Show Author Affiliations
Aparajita Bandyopadhyay, New Jersey Institute of Technology (United States)
Amartya Sengupta, New Jersey Institute of Technology (United States)
Valencia Johnson, Rutgers Univ. (United States)
James A. Harrington, Rutgers Univ. (United States)
John F. Federici, New Jersey Institute of Technology (United States)

Published in SPIE Proceedings Vol. 6120:
Terahertz and Gigahertz Electronics and Photonics V
R. Jennifer Hwu; Kurt J. Linden, Editor(s)

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