EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Optics, Optoelectronics, Measurement, Diagnostic, and Applications|
|Published online||13 March 2013|
Precise and Rapid Detection of Optical Activity for Accumulative Femtosecond Spectroscopy
Institut für Physikalische und Theoretische Chemie, Universität Würzburg, Am Hubland, 97074 Wüurzburg, Germany
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We present a fast and sensitive polarimeter combining common-path optical heterodyne interferometry and accumulative spectroscopy to detect rotatory power. The sensitivity of rotatory detection is determined to be 0.10 milli-degrees for a measurement time of only one second and an interaction length of 250 μm. Its suitability for femtosecond studies is demonstrated in a non-resonant two-photon photodissociation experiment.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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