A CHIRPED-PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER COMBINED WITH A LASER ABLATION SOURCE

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2011

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Ohio State University

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The design of a chirped-pulse Fourier transform microwave spectrometer CP-FTMW combined with a laser ablation LA source is presented. The spectrometer is capable of measuring the 6.5-18 GHz region. Rotational spectra of solid samples of proline (m.p. 228 irc C) and alanine (m.p. 290 irc C) vaporized by laser ablation has been recorded. Four low-energy conformers of proline and two in alanine have been detected. 13C species of alanine in their natural abundance have been also observed. The performance of this spectrometer is compared to a LA-MB-FTMW spectrometer.

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Author Institution: Grupo de Espectroscopia; Molecular (GEM). Edificio Quifima. Laboratorios de Espectroscopia; y Bioespectroscopia. Parque Cientifico. Universidad de; Valladolid, 47011 Valladolid. (Spain); Department of Chemistry, University of Virginia; Charlottesville. Virginia 22904 (USA)

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http://hdl.handle.net/1811/49292

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Abstracts of OSU International Symposium on Molecular Spectroscopy 2010-2013