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Proceedings Paper

Analysis of propagation properties of terahertz hollow-optical fiber by using time-domain spectroscopy and application for THz wave remote spectroscopy
Author(s): K. Ito; T. Katagiri; Y. Matsuura
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Paper Abstract

Terahertz pulse propagation in hollow optical fibers is investigated by using terahertz time-domain spectroscopy. From evaluation of transmission loss spectra of hollow optical fiber, it is found that TM11 mode propagates as well as TE11 mode that is the lowest order mode in terahertz metal-hollow fiber. Short-time Fourier transform is also applied for investigation of mode properties and as a result, it is confirmed that the interference peaks in the loss spectra are due to mode mixing in hollow optical fibers. Finally we performed a terahertz wave remote spectroscopy using the hollow optical fiber and acquired a clear transmission spectrum of the theophylline.

Paper Details

Date Published: 28 February 2017
PDF: 8 pages
Proc. SPIE 10058, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVII, 100580K (28 February 2017); doi: 10.1117/12.2249655
Show Author Affiliations
K. Ito, Tohoku Univ. (Japan)
T. Katagiri, Tohoku Univ. (Japan)
Y. Matsuura, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 10058:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVII
Israel Gannot, Editor(s)

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