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Towards single shot multidimensional terahertz spectroscopy of hydrogen-bonded liquids

Mead, Griffin and Lin, Haw-Wei and Blake, Geoffrey A. (2019) Towards single shot multidimensional terahertz spectroscopy of hydrogen-bonded liquids. In: 258th ACS National Meeting & Exposition, 25-29 August 2019, San Diego, CA. https://resolver.caltech.edu/CaltechAUTHORS:20190812-082223585

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Abstract

Two-dimensional terahertz-terahertz-Raman (TTR) spectroscopy provides a direct probe of low energy, thermally excited intra- and inter-mol. modes of liqs. at room temp., as well as information on the modes' anharmonicities. However, the need to use two delay stages to sample the TTR response results in datasets that take tens of hours to acquire, thus limiting our ability to explore chem. and thermodn. space. To combat this difficulty, we present a single shot TTR spectrometer which, by replacing one delay line with a reflective echelon, allows tens of picoseconds of mol. dynamics to be captured in milliseconds, as opposed to the minutes previosuly required. We present a series of TTR results on room temp. liqs. highlighting the capabilities of the instrument and areas for improvement.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
https://www.acs.org/content/acs/en/meetings/national-meeting.htmlOrganizationConference Website
ORCID:
AuthorORCID
Blake, Geoffrey A.0000-0003-0787-1610
Additional Information:© 2019 American Chemical Society.
Group:Astronomy Department
Record Number:CaltechAUTHORS:20190812-082223585
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190812-082223585
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97743
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Aug 2019 18:27
Last Modified:20 Apr 2020 08:47

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