Collisionless dissociation of SF6 using two resonant frequency CO2 laser fields |
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Authors: | Malcolm C. Gower T.K. Gustafson |
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Affiliation: | Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, California 94720, USA |
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Abstract: | The collisionless dissociation of SF6 has been studied using simultaneous irradiation by two frequencies from a CO2 laser which are both nearly resonant with the SF6v3 absorption band. It was found that the dissociation was enhanced, and occurred over a wider frequency range, than for single frequency dissociation. No threshold effect was observed for a weak resonant and a much higher energy field pumping slightly off-resonance. For such two frequency irradiation, the peak in the dissociation curve was found to be shifted to lower frequencies with respect to that for single frequency dissociation. |
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