Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy

Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy

We demonstrate surface-enhanced ultrafast vibrational spectroscopy employing periodic arrays of infrared-resonant gold nanoantennas. The antenna-enhancements of molecular vibrational responses are analytically formulated with a simple coupled-dipole model, and the linear/nonlinear local signal enhan...

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Main Authors: Morichika Ikki, Sakurai Atsunori, Ashihara Satoshi
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_03002.pdf
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spelling doaj-99c75a78d1814d308150315460d3ec042021-08-02T04:01:03ZengEDP SciencesEPJ Web of Conferences2100-014X2019-01-012050300210.1051/epjconf/201920503002epjconf_up2019_03002Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopyMorichika Ikki0Sakurai Atsunori1Ashihara Satoshi2Institute of Industrial Science, The University of TokyoInstitute of Industrial Science, The University of TokyoInstitute of Industrial Science, The University of TokyoWe demonstrate surface-enhanced ultrafast vibrational spectroscopy employing periodic arrays of infrared-resonant gold nanoantennas. The antenna-enhancements of molecular vibrational responses are analytically formulated with a simple coupled-dipole model, and the linear/nonlinear local signal enhancements are evaluated to be ~104 and 107, respectively.https://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_03002.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Morichika Ikki
Sakurai Atsunori
Ashihara Satoshi
spellingShingle Morichika Ikki
Sakurai Atsunori
Ashihara Satoshi
Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
EPJ Web of Conferences
author_facet Morichika Ikki
Sakurai Atsunori
Ashihara Satoshi
author_sort Morichika Ikki
title Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
title_short Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
title_full Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
title_fullStr Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
title_full_unstemmed Antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
title_sort antenna-enhancements of molecular vibrational responses in ultrafast infrared spectroscopy
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2019-01-01
description We demonstrate surface-enhanced ultrafast vibrational spectroscopy employing periodic arrays of infrared-resonant gold nanoantennas. The antenna-enhancements of molecular vibrational responses are analytically formulated with a simple coupled-dipole model, and the linear/nonlinear local signal enhancements are evaluated to be ~104 and 107, respectively.
url https://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_03002.pdf
work_keys_str_mv AT morichikaikki antennaenhancementsofmolecularvibrationalresponsesinultrafastinfraredspectroscopy
AT sakuraiatsunori antennaenhancementsofmolecularvibrationalresponsesinultrafastinfraredspectroscopy
AT ashiharasatoshi antennaenhancementsofmolecularvibrationalresponsesinultrafastinfraredspectroscopy
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