Precise measurement of molecular dipole moments with a tunable far-infrared Stark spectrometer: Application to HOCl

Year: 1996

Authors: Modugno G., De Natale P., Bellini M., Inguscio M., Fusina L., Di Lonardo G., Vander Auwera J.

Autors Affiliation: Dipartimento di Fisica, Università di Firenze and European Laboratory for Nonlinear Spectroscopy (LENS) Largo E. Fermi 2, 50125 Firenze, Italy;
Dipartimento di Chimica Fisica e Inorganica, Viale del Risorgimento 4, 40136 Bologna, Italy;
Universite´ Libre de Bruxelles, CPi-160/09, Avenue F. D. Roosevelt 1050 Bruxelles, Belgium

Abstract: Stark measurement of the electric dipole moment components of (HOCl)-O-16-Cl-35 is performed with a tunable far-infrared spectrometer at the European Laboratory for Nonlinear Spectroscopy, Firenze, Italy. Two pure rotational transitions are analyzed, namely, the 1(1,1)-0(0,0) at approximately 628 GHz and the asymmetry doublet 4(3,2)-3(2,1), 4(3,1)-3(2,2) at approximately 3.1 THz. The values obtained for mu(a) and mu(b) represent the first reported measurement of dipole moments from far-infrared transitions with an accuracy up to several parts in 10(4). (C) 1996 Optical Society of America.


Volume: 13 (8)      Pages from: 1645  to: 1649

KeyWords: hypochlorous acid; spectroscopy; spectrum; region;
DOI: 10.1364/JOSAB.13.001645

Citations: 12
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