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Type: Artigo de periódico
Title: Infrared optoacoustic spectroscopy of (CD3OD)-C-13 around the 10R and 10P CO2 laser lines
Author: Viscovini, RC
Scalabrin, A
Pereira, D
Abstract: In this work we present the results of an investigation about Doppler limited infrared absorbing transitions of the C-O stretching vibrational mode of (CD3OD)-C-13 by means of optoacoustic detection. This technique is an alternative, more sensitive and of higher resolution than the Fourier transform spectroscopy which is applied to this methanol isotopomer, due to the contamination problem associated with the fast exchange of OD by OH in the molecule. Using a waveguide CO2 laser of 290 MHz tunability on each line we were able to observe 69 absorptions, most of then of large offset. The data will be useful in theoretical analysis of this sample, as well as a guide in the search for new FIR laser lines.
Subject: optoacoustic spectroscopy
FIR lasers
methanol isotopes
Editor: Plenum Publ Corp
Rights: fechado
Identifier DOI: 10.1007/BF02069457
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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