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  • 1
    Electronic Resource
    Electronic Resource
    Polarization spectroscopy of atomic oxygen by dye and semiconductor diode lasers (1991)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 13 (1991), S. 1221-1234 
    Details
    ISSN: 0392-6737
    Keywords: Fine- and hyperfine-structure constants ; Visible and ultraviolet spectra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary We used polarization spectroscopy to perform a high-resolution investigation of atomic oxygen in the visible and near-infrared spectral region by means of dye and semiconductor diode lasers. We measured the fine structure of the highly excited 4d 5 D level and resolved the hyperfine structure of the metastable 3s 5 S 2 level of17O. Isotope shift values are also reported for several transitions of the three stable oxygen isotopes (16O,17O,18O). Polarization lineshapes are discussed and compared with those obtained in saturation techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02458731
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  • 2
    Electronic Resource
    Electronic Resource
    Isotope shifts and hyperfine structures investigation of doubly excited levels in SrI (1992)
    Springer
    The European physical journal 23 (1992), S. 145-149 
    Details
    ISSN: 1434-6079
    Keywords: 35.10F ; 31.30.G
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We measured isotope shifts and hyperfine structure of visible transitions of stable strontium isotopes by means of Doppler-free saturated absorption spectroscopy. In particular, we investigated transitions between excited states where the upper level involves two excited electrons. We report hyperfine coupling constants for the levels 5p4d1D2, 5p4d3F2, 5s4d3D1, 5s6s3S1, 5s5p3P1 and, for some of the studied transitions, we separate the specific mass and volume contribution to the isotope shifts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436736
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  • 3
    Electronic Resource
    Electronic Resource
    High resolution spectroscopy of iridium in a hollow cathode discharge (1993)
    Springer
    The European physical journal 25 (1993), S. 113-116 
    Details
    ISSN: 1434-6079
    Keywords: 32.30.Jc ; 35.10.F ; 31.30.G
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We demonstrate the possibility of performing high resolution laser spectroscopy of iridium atoms produced by sputtering in a hollow cathode discharge. By resolving the hyperfine structure of ultraviolet transitions from the ground state, we measure the magnetic dipole and electric quadrupole constants of the 5d 7 6s 6p 6 G 11/2 and 5d 7 6s 6p 6 F 7/2 excited levels and we obtain accurate values for the isotope shifts. Iridium is also discussed as possibly providing reference spectra in the 243 nm region, close to the wavelength of the 1s–2s two-photon transition of hydrogen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01450162
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