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Issue 9, 2014
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Rotational spectroscopy with an optical centrifuge

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Abstract

We demonstrate a new spectroscopic method for studying electronic transitions in molecules with extremely broad range of angular momentum. We employ an optical centrifuge to create narrow rotational wave packets in the ground electronic state of 16O2. Using the technique of resonance-enhanced multi-photon ionization, we record the spectrum of multiple ro-vibrational transitions between X3Σg and C3Πg electronic manifolds of oxygen. Direct control of rotational excitation, extending to rotational quantum numbers as high as N ≳ 120, enables us to interpret the complex structure of rotational spectra of C3Πg beyond thermally accessible levels.

Graphical abstract: Rotational spectroscopy with an optical centrifuge

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Publication details

The article was received on 30 Oct 2013, accepted on 09 Jan 2014 and first published on 09 Jan 2014


Article type: Paper
DOI: 10.1039/C3CP54598A
Phys. Chem. Chem. Phys., 2014,16, 4071-4076

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    Rotational spectroscopy with an optical centrifuge

    A. Korobenko, A. A. Milner, J. W. Hepburn and V. Milner, Phys. Chem. Chem. Phys., 2014, 16, 4071
    DOI: 10.1039/C3CP54598A

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