Abstract
WITH reference to my earlier investigation1 some new experiments have been carried out with filtered and unfiltered sigma-components of the hyperfine structure lines of the mercury resonance line 2537 A. in fields from zero to 11,000 gauss. In my experiments, light of wave-length 2537 A. passed from a Wood resonance vessel through a Mrozowski2 filter, consisting of a column of mercury vapour in a magnetic field, and a Glan prism which separated the light polarised at right angles to the field. Such filtered light of 0 and + 11·5 components (corresponding to the mercury isotopes 200 and 202) passed afterwards through an absorption vessel of 15 mm. length which was placed in a. second field. The intensity of the light which passed through the absorption vessel was measured photo-electrically. The absorption Curve I (Fig. 1) represents the course of the relative intensity J of the sigma-light of the 0 and + 11·5 components as a function of the field H (in kilogauss). Curve II reproduces the results of the analogous measurements for all the hyperfine structure lines.
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A. vironas, Helv. Phys. Acta, 7, 684(1934). Mém. Fac. Sci. Univ. Vyt. le Gr. (Lithuania), 9, 123 (1934).
S. Mrozowski, Bull. Accad. Polon., 1, 464 (1930). ibid., 2, 489 (1931).
A. vironas, Helv. Phys. Acta, 7, 695 (1934).
W. A. MacNair, Phys. Rev., 31, 986 (1928).
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VIRONAS, A. Zeeman Effect of the Hyperfine Structure Components of the Mercury Resonance Line 2537 A. Nature 137, 531 (1936). https://doi.org/10.1038/137531a0
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DOI: https://doi.org/10.1038/137531a0
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