Characterization of subwavelength plastic fiber utilizing terahertz time-domain spectroscopy

Borwen Youa, Tze An Liu, Jin Long Peng, Ci Ling Panc, Ja-Yu Lu

研究成果: Conference article

摘要

We present the first characterization of a simple subwavelength-diameter plastic wire by using wideband terahertz timedomain spectroscopy. The propagation characteristics including waveguide dispersion, group velocity, and attenuation constant of various plastic wires with different diameters and refractive indices are studied. The experimental results show the subwavelength plastic wire has extremely low waveguide dispersion and low attenuation constant (<0.01cm-1) at its THz transmission band due to much reduced fractional power delivered inside the lossy core, which is consistent with the theoretical calculations. With the large evanescent-fields, the subwavelength plastic wire has capability to integrate with micro-fluid channel for sensitive bio-sensing applications.

原文English
文章編號721503
期刊Proceedings of SPIE - The International Society for Optical Engineering
7215
DOIs
出版狀態Published - 2009 五月 5
事件Terahertz Technology and Applications II - San Jose, CA, United States
持續時間: 2009 一月 282009 一月 29

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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