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9 November 2018 Spectroscopy and sensing of fluid using terahertz waves
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Understanding of terahertz spectroscopic properties of materials is crucially important for applications of terahertz waves in sensing. Spectroscopic properties of water-rich media, such as biological tissues, gels, and aqueous solutions, are strongly affected by the amount and the dynamics of water in them. Terahertz spectroscopical measurements can clarify the dynamical and/or structural characteristics of water molecules in the hydrogen-bond network in these media. We studied the dynamical properties of water around protein molecules and polymers in aqueous solutions using terahertz spectroscopic measurements. Sensing of liquid using a terahertz waveguide composed of a metal rod array will also be described.
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Toshiaki Hattori, Katsuyoshi Aoki, Borwen You, Ja-Yu Lu, and Chin-Ping Yu "Spectroscopy and sensing of fluid using terahertz waves", Proc. SPIE 10826, Infrared, Millimeter-Wave, and Terahertz Technologies V, 108260K (9 November 2018);

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