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2D IR spectroscopy with phase-locked pulse pairs from a birefringent delay line


Réhault, Julien; Maiuri, Margherita; Manzoni, Cristian; Brida, Daniele; Helbing, Jan; Cerullo, Giulio (2014). 2D IR spectroscopy with phase-locked pulse pairs from a birefringent delay line. Optics Express, 22(8):9063.

Abstract

We introduce a new scheme for two-dimensional IR spectroscopy in the partially collinear pump-probe geometry. Translating birefringent wedges allow generating phase-locked pump pulses with exceptional phase stability, in a simple and compact setup. A He-Ne tracking scheme permits to scan continuously the acquisition time. For a proof-of-principle demonstration we use lithium niobate, which allows operation up to 5 μm. Exploiting the inherent perpendicular polarizations of the two pump pulses, we also demonstrate signal enhancement and scattering suppression.

Abstract

We introduce a new scheme for two-dimensional IR spectroscopy in the partially collinear pump-probe geometry. Translating birefringent wedges allow generating phase-locked pump pulses with exceptional phase stability, in a simple and compact setup. A He-Ne tracking scheme permits to scan continuously the acquisition time. For a proof-of-principle demonstration we use lithium niobate, which allows operation up to 5 μm. Exploiting the inherent perpendicular polarizations of the two pump pulses, we also demonstrate signal enhancement and scattering suppression.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Scopus Subject Areas:Physical Sciences > Atomic and Molecular Physics, and Optics
Language:English
Date:21 April 2014
Deposited On:21 Nov 2018 16:06
Last Modified:14 Jul 2020 17:21
Publisher:Optical Society of America
ISSN:1094-4087
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1364/oe.22.009063
Project Information:
  • : FunderFP7
  • : Grant ID291198
  • : Project TitleSTRATUS - Structure and dynamics of biomolecules by two-dimensional ultraviolet spectroscopy

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