Polarization spectroscopy of atomic oxygen by dye and semiconductor diode lasers
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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 of 17O. 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.
PACS 35.10.FkFine- and hyperfine-structure constants
PACS 32.30.JcVisible and ultraviolet spectra
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