Femtosecond non-resonance double-pulse spectroscopy of molecular librations in ortho-dichlorobenzene

D. K. Zharkov; A. G. Shmelev; A. V. Leontyev; V. G. Nikiforov; V. S. Lobkov

doi:10.3103/S106287381607025X

Femtosecond non-resonance double-pulse spectroscopy of molecular librations in ortho-dichlorobenzene

Authors: Zharkov D.K.¹, Shmelev A.G.¹, Leontyev A.V.¹, Nikiforov V.G.¹, Lobkov V.S.¹
Affiliations:
1. Kazan Physicotechnical Institute
Issue: Vol 80, No 7 (2016)
Pages: 845-847
Section: Proceedings of the XII International Readings on Quantum Optics (Moscow–Troitsk, August 11–16, 2015)
URL: https://journal-vniispk.ru/1062-8738/article/view/184693
DOI: https://doi.org/10.3103/S106287381607025X
ID: 184693

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Abstract

The first experimental results on selective detection of the collective (libration) response in a liquid using a scheme of non-resonance double-pulse spectroscopy based on detecting the ultrafast optical Kerr effect (OKE) in ortho-dichlorobenzene at room temperature are presented. Nonrelevant vibrational and rotational responses are dumped and the relevant libration molecular responses are amplified by varying the duration, delay, and relative intensities of linearly polarized pump pulses.