Metasurface-Enhanced Infrared Spectroscopy: An Abundance of Materials and Functionalities.
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DOI: 10.1002/adma.202110163
Abstract: Infrared (IR) spectroscopy provides unique information on the composition and dynamics of biochemical systems by resolving the characteristic absorption fingerprints of their constituent molecules. Based on this inherent chemical specificity and the capability for label-free,… read more here.
Keywords: spectroscopy; spectroscopy abundance; metasurface enhanced; infrared spectroscopy ... See more keywords
Indium phosphide metasurface with enhanced nonlinear absorption
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DOI: 10.1038/s41598-017-17426-7
Abstract: We solve the nonlinear Maxwell equations in an InP-based dielectric metamaterial, considering both two-photon absorption and photo-induced free-carrier absorption. We obtain the intensity-dependent reflection, absorption, and effective permittivity and permeability of the metamaterial. Our results… read more here.
Keywords: absorption; indium phosphide; metasurface enhanced; phosphide metasurface ... See more keywords
Metasurface-enhanced mid-infrared spectroscopy in the liquid phase
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DOI: 10.1039/d2sc03927c
Abstract: Vibrational spectroscopy is an important tool in chemical and biological analysis. A key issue when applying vibrational spectroscopy to dilute liquid samples is the inherently low sensitivity caused by short interaction lengths and small extinction… read more here.
Keywords: mid infrared; spectroscopy; metasurface enhanced; infrared spectroscopy ... See more keywords