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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 42, Iss. 11 — Nov. 1, 1952
  • pp: 811–812

A Source Unit for Raman Spectroscopy

J. W. KEMP, J. L. JONES, and R. W. DURKEE  »View Author Affiliations

JOSA, Vol. 42, Issue 11, pp. 811-812 (1952)

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A Raman source has been constructed and tested using a helical mercury lamp of the “Toronto” type. Studies of intensity versus mercury pool condenser temperature and versus lamp current indicate that a condition of maximum stability can be obtained by proper choice of current and condenser temperature. To aid in starting and to increase the efficiency of the lamp, a special lamphouse has been designed. The complete unit then provides stable, high intensity, mercury radiation at 4358A. Ratios of 4347A, 4339A, and background to 4358A are approximately 0.008, 0.002, and 0.0005, respectively. Background was measured at 4369A (45 cm-1 shift) and represents a maximum possible value.

J. W. KEMP, J. L. JONES, and R. W. DURKEE, "A Source Unit for Raman Spectroscopy," J. Opt. Soc. Am. 42, 811-812 (1952)

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  1. J. J. Heigl et al., Anal. Chem. 22, 154–159 (1950).
  2. H. L. Welsh, private communication.
  3. Applied Research Laboratories Brochure, Raman Equipment. (A paper describing the instrument referred to is in preparation.)
  4. MgO may be used with a slight gain in intensity.
  5. A. C. Menzies and J. Skinner, J. Sci. Instr. 26, 229–230 (1949).
  6. The scattering coefficient of a Raman band is defined as the ratio of the peak intensity of that band to the peak intensity of the 459 cm-1 band of 100 percent CCl4.
  7. D. H. Rank and J. S. McCartney, J. Opt. Soc. Am. 38, 279–281 (1948).

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