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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-48410

Helbing, J; Hamm, P (2011). Compact implementation of Fourier transform two-dimensional IR spectroscopy without phase ambiguity. Journal of the Optical Society of America B, 28(1):171-178.

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We describe an optimized setup for two-dimensional (2D) IR spectroscopy, which can be implemented at low additional cost and with standard optics in any laboratory equipped for femtosecond mid-IR spectroscopy. An interferometer produces a pair of intense pump pulses, whose interferogram is simultaneously recorded and directly yields the relative phase needed for the calculation of absorptive 2D spectra. We analyze different sampling methods based on a realistic noise model and introduce fast population time modulation as an alternative to the use of choppers in the suppression of scatter. Signal levels are compared to those of a photon-echo setup.


41 citations in Web of Science®
44 citations in Scopus®
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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Deposited On:09 Sep 2011 12:59
Last Modified:05 Apr 2016 14:56
Publisher:Optical Society of America (OSA)
Additional Information:This paper was published in Journal of the Optical Society of America B and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?uri=josab-28-1-171. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. © 2011 The Optical Society
Publisher DOI:10.1364/JOSAB.28.000171

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