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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-36104

Bonmarin, M; Helbing, J (2009). Polarization control of ultrashort mid-IR laser pulses for transient vibrational circular dichroism measurements. Chirality, 21(1E):E298-E306.

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Abstract

Linear dichroism and birefringence artifacts are a major source of concern in transient circular dichroism measurements. They mainly arise from interaction of an imperfectly circular polarized probe beam with a nonisotropic sample. We present in this article a procedure to generate mid-IR pulses of highly symmetric left and right handed circular or elliptical polarization states for transient VCD measurements. An infrared femtosecond laser source is synchronized to the natural frequency of a photo elastic modulator. Residual static birefringence of the modulator and the sample cell can be largely compensated by carefully controlling the arrival time of the ultrashort probe pulses at the modulator.

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10 citations in Web of Science®
8 citations in Scopus®
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47 downloads since deposited on 23 Dec 2010
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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:2009
Deposited On:23 Dec 2010 16:28
Last Modified:05 Jun 2014 13:50
Publisher:Wiley-Blackwell
ISSN:0899-0042
Publisher DOI:10.1002/chir.20819

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