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A picosecond time-resolved vibrational circular dichroism spectrometer


Bonmarin, M; Helbing, J (2008). A picosecond time-resolved vibrational circular dichroism spectrometer. Optics Letters, 33(18):2086-2088.

Abstract

We present an experimental setup to detect transient vibrational circular dichroism signals. A femtosecond laser system is synchronized to a photoelastic modulator to produce alternating left- and right-handed circularly polarized mid-IR pulses at 1 kHz repetition rate. Transient changes in the circular dichroism of the CH-stretch vibrations of a cobalt-sparteine complex were probed in a proof-of-principle experiment and are clearly distinct from conventional transient absorption changes.

Abstract

We present an experimental setup to detect transient vibrational circular dichroism signals. A femtosecond laser system is synchronized to a photoelastic modulator to produce alternating left- and right-handed circularly polarized mid-IR pulses at 1 kHz repetition rate. Transient changes in the circular dichroism of the CH-stretch vibrations of a cobalt-sparteine complex were probed in a proof-of-principle experiment and are clearly distinct from conventional transient absorption changes.

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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
Language:English
Date:10 September 2008
Deposited On:14 Jan 2009 15:39
Last Modified:21 Nov 2017 13:48
Publisher:Optical Society of America (OSA)
ISSN:0146-9592
Publisher DOI:https://doi.org/10.1364/OL.33.002086
PubMed ID:18794939

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