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One- and two-frequency multiple-photon dissociation (MPD) of SF6 under molecular-beam conditions: Effect of fluence and temperature

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Il Nuovo Cimento D

Summary

One- and two-frequency IR multiple-photon dissociation (MPD) of SF6 has been performed under molecular-beam conditions at different rotovibrational temperatures. The dependence of MPD on CO2 laser fluence has been studied at different frequencies. The experimental structures have been interpreted on the basis of accurate calculations of the vibrorotational structure ofν 3 overtone states.

Riassunto

La dissociazione multifotonica (MPD) dell'SF6 eccitato da uno o due laser a CO2 è stata studiata in fascio molecolare supersonico a diverse temperature rotovibrazionali. È stata inoltre misurata la dipendenza dell'efficienza di dissociazione dalla fluenza del laser a diverse frequenze di eccitazione. I picchi spettrali sono stati interpretati sulla base di recenti ed accurati calcoli della struttura rotovibrazionale del modoν 3.

Резюме

Исследуется многофотонная диссоциация SF6, одним и двумя CO2 лазерами в условиях молекулярного пучка при различных вращательно-колеба-теляных температурах. Изучаестя зависимость многофототонной диссоциации от флуенса CO2 лазера при различных частотах. Спектральые пики интерпетируются на основе аккуратных вычислений вращательно-колебательной структуры модыν 3

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Author notes

  1. Liu Yu-Shen

    Present address: Department of Modern Chemistry, University of Science and Technology of China, Hefei, Anhui, People's Republic of China

Authors and Affiliations

  1. ENEA, Dip. TIB, Divisione Fisica Applicata, Frascati, C.P. 65, 0044, Roma, Italia

    E. Borsella, R. Fantoni, Liu Yu-Shen & M. Nardelli

Authors
  1. E. Borsella
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  2. R. Fantoni
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  3. Liu Yu-Shen
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  4. M. Nardelli
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Borsella, E., Fantoni, R., Yu-Shen, L. et al. One- and two-frequency multiple-photon dissociation (MPD) of SF6 under molecular-beam conditions: Effect of fluence and temperature. Il Nuovo Cimento D 4, 548–556 (1984). https://doi.org/10.1007/BF02450959

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  • DOI: https://doi.org/10.1007/BF02450959

PACS. 33.80

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