Abstract
Wavelength-dependent resonant heating of thin films by vibrational excitation of internal modes with a CO 2 laser is studied by measuring the time-of-flight distributions of desorbed molecules. The spectroscopic features of previously published results for CCl 4and C 6H 5CHO, and of data reported here for CH 2ClCH 2Cl, are discussed. The translational temperatures determined from Maxwellian distributions and the desorption yield possess the same spectral behavior as the IR absorption band.
Published Version
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