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TERAHERTZ SPIRAL PLANAR GOUBAU LINE REJECTORS FOR BIOLOGICAL CHARACTERIZATION

By A. Treizebre, M. Hofman, and B. Bocquet

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Abstract:
Terahertz spectroscopy brings precious complementary information in life science by probing directly low energy bindings inside matter. This property has been demonstrated on dehydrated substances, and interesting results are obtained on liquid solutions. The next step is the characterization of living cells. We have successfully integrated THz passive circuits inside Biological MicroElectroMechanical Systems (BioMEMS). They are based on metallic wires called Planar Goubau Line (PGL). We demonstrate that high THz measurement sensitivity can be reached with new design based on spirals. But we show that the principal interest of this design is its high spatial resolution below the wavelength size compatible with living cell investigation.

Citation:
A. Treizebre, M. Hofman, and B. Bocquet, "Terahertz Spiral Planar Goubau Line Rejectors for Biological Characterization," Progress In Electromagnetics Research M, Vol. 14, 163-176, 2010.
doi:10.2528/PIERM10072110

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