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Improved separation of the rare sulfur isotopes by infrared multiphoton dissociation of SF6

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Abstract

The dissociation probabilities of32SF6 and some of34SF6 have been measured at a large number of CO2 laser lines both at room temperature and at 140 K. The longwavelength wing of this dissociation spectrum is exponential in the wavenumber. Its logarithmic slope is proportional to the inverse temperature. Selectivities are high enough at 140 K, that the photons are consumed only for the rare isotope in the case of34SF6 and nearly so for36SF6. For33SF6 further improvement of the selectivity would be desirable.

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Author notes

  1. V. Churakov

    Present address: Inst. Fiziki, Belorussk. Akad. Nauk, Leninskij Prospekt, SU-220090, Minsk, USSR

  2. B. Maurer

    Present address: Siemens, Otto-Hahn-Ring, D-8000, München 83, F.R. Germany

  3. C. Schwab

    Present address: IEAv/CTA/LAS, Caixa Postal 6044, 12200, Sao José dos Campos, SP, Brasil

  4. L. Werner

    Present address: Uranit, D-5170, Jülich, F. R. Germany

Authors and Affiliations

  1. Max-Planck-Institut für Quantenoptik, D-8046, Garching, Fed. Rep. Germany

    U. Del Bello, V. Churakov, W. Fuß, K. L. Kompa, B. Maurer, C. Schwab & L. Werner

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  1. U. Del Bello
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Del Bello, U., Churakov, V., Fuß, W. et al. Improved separation of the rare sulfur isotopes by infrared multiphoton dissociation of SF6 . Appl. Phys. B 42, 147–153 (1987). https://doi.org/10.1007/BF00693876

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  • DOI: https://doi.org/10.1007/BF00693876

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