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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 7 — Jul. 1, 2012
  • pp: 1580–1583

Reference lines in the optogalvanic spectra of uranium and thorium in the wavelength range 422 to 462 nm

W. DeGraffenreid, Sarah C. Campbell, and Craig J. Sansonetti  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1580-1583 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001580


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Abstract

The spectra of uranium and thorium are convenient sources of reference lines for wavelength calibration at the level of a few parts in 10 8 . We observed these spectra by laser optogalvanic spectroscopy in commercial hollow-cathode lamps using a single-frequency cw dye laser operating over the wavelength range 422 to 462 nm. Ten uranium and eight thorium lines were measured with an estimated uncertainty of 0.0003 cm 1 by using our Fabry–Perot wavemeter. The results are compared to previous measurements of these lines and are found to be in good agreement with, and 1 order of magnitude more accurate than, values determined by Fourier-transform spectroscopy.

OCIS Codes
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6440) Spectroscopy : Spectroscopy, optogalvanic

ToC Category:
Spectroscopy

History
Original Manuscript: April 9, 2012
Manuscript Accepted: April 13, 2012
Published: June 11, 2012

Citation
W. DeGraffenreid, Sarah C. Campbell, and Craig J. Sansonetti, "Reference lines in the optogalvanic spectra of uranium and thorium in the wavelength range 422 to 462 nm," J. Opt. Soc. Am. B 29, 1580-1583 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1580

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