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Proceedings Paper

Guided-wave Terahertz devices for sensing the properties of overlaid dielectric films
Author(s): C. Wood; J. E. Cunningham; A. G. Davies; I. C. Hunter; P. Tosch; E. H. Linfield
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Paper Abstract

The on-chip detection of nanolitre volumes of dielectric material is demonstrated using terahertz (THz) pulses. Simultaneous analysis at different frequencies on separate, lithographically defined locations is shown to be possible using THz band-stop filter elements connected by a microstrip line. Integrated thin film low-temperature-grown GaAs photoconductive switches are used for THz pulse generation and detection within the microstrip interconnect. This technique is expected to be useful in sensing organic films such as DNA, and other biomolecular materials, in an on-chip environment.

Paper Details

Date Published: 7 March 2006
PDF: 9 pages
Proc. SPIE 6120, Terahertz and Gigahertz Electronics and Photonics V, 61200P (7 March 2006); doi: 10.1117/12.660716
Show Author Affiliations
C. Wood, Univ. of Leeds (United Kingdom)
J. E. Cunningham, Univ. of Leeds (United Kingdom)
A. G. Davies, Univ. of Leeds (United Kingdom)
I. C. Hunter, Univ. of Leeds (United Kingdom)
P. Tosch, Univ. of Leeds (United Kingdom)
E. H. Linfield, Univ. of Leeds (United Kingdom)


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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