High-efficiency stimulated Raman scattering from alcohols: theory and experiments

The coherent Raman emission from primary alcohols [CH3(CH2)nOH, n = 0–10], 2‐propyl alcohol and tert‐butyl alcohol was studied using a frequency‐doubled Nd:YAG pump laser (532 nm). We show that increases in the chain length (CH2 groups) and the number of CH3 groups in the alcohols (CH3 > CH2) enh...

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Bibliographic Details
Published in:Journal of Raman spectroscopy 2005-05, Vol.36 (5), p.389-393
Main Authors: Echevarría, Lorenzo, Rodríguez, Luis, Karasiev, Valentin, Piscitelli, Vincent, Arístides Marcano, O.
Format: Article
Language:English
Subjects:
Alcohols
Chains
Computational efficiency
Computing time
Emission analysis
primary alcohols
Raman scattering
stimulated Raman scattering
Vibration
Wavenumber
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Summary:The coherent Raman emission from primary alcohols [CH3(CH2)nOH, n = 0–10], 2‐propyl alcohol and tert‐butyl alcohol was studied using a frequency‐doubled Nd:YAG pump laser (532 nm). We show that increases in the chain length (CH2 groups) and the number of CH3 groups in the alcohols (CH3 > CH2) enhance the Raman emission efficiency. Theoretical density functional theory (DFT) calculations and frequency scaling allow one to associate the vibrational wavenumbers with the molecular fragment responsible for the vibration. We obtained good agreement between the observed phenomena and the predictions of the theory. Copyright © 2005 John Wiley & Sons, Ltd.
ISSN:0377-0486
1097-4555
DOI:10.1002/jrs.1302