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20 August 2020 Metamaterials for ultrasensitive IR spectroscopy
Takuo Tanaka
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Proceedings Volume 11468, Enhanced Spectroscopies and Nanoimaging 2020; 114680T (2020) https://doi.org/10.1117/12.2568274
Event: SPIE Nanoscience + Engineering, 2020, Online Only
Abstract
Three-dimensional metamaterials consists of metal-insulator-metal structure were developed for a versatile platform of high-sensitive IR spectroscopy. A device with nano-fluidic channel allows the introduction and precise control of number of analyte molecules into the intense electromagnetic field of metamaterials, resulting in the improvement of sensitivity up to 2 orders compared to state-of-the-art plasmonic enhanced IR spectroscopies. High sensitive gas spectroscopy has also demonstrated by the use of vertically aligned three-dimensional MIM metamaterial device. These devices provide the capability of quantitative measurement of molecules, and open a new perspective of IR spectroscopies in bioanalysis.
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Takuo Tanaka "Metamaterials for ultrasensitive IR spectroscopy", Proc. SPIE 11468, Enhanced Spectroscopies and Nanoimaging 2020, 114680T (20 August 2020); https://doi.org/10.1117/12.2568274
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KEYWORDS
Metamaterials
Infrared spectroscopy
Molecules
Absorption
Metals
Molecular interactions
Chemical analysis
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