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Optics Letters

Optics Letters


  • Vol. 12, Iss. 7 — Jul. 1, 1987
  • pp: 468–470

Ultraviolet optogalvanic laser spectroscopy of iron for reference wavelengths

F. Babin, P. Camus, J.-M. Gagné, P. Pillet, and J. Boulmer  »View Author Affiliations

Optics Letters, Vol. 12, Issue 7, pp. 468-470 (1987)

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We present a preliminary study of a UV optogalvanic spectrum obtained by using a see-through iron hollow cathode and a tunable pulsed laser in the 240–260-nm range. The hollow cathode used and described is a homemade device that can be run in static- or dynamic-flow gas regimes. Spectra have been recorded with argon and neon buffer gases, and many classified Fe i lines have been identified. The accuracy of the measured wave numbers is limited at present to 0.05 cm−1 by the spectral width of the UV laser. This iron optogalvanic spectrum is proposed for reference-wavelength calibration in UV laser spectroscopy, and an application to the study of Ba+ Rydberg levels is reported. Possibilities for future developments of such a device are analyzed.

© 1987 Optical Society of America

Original Manuscript: October 29, 1986
Manuscript Accepted: March 12, 1987
Published: July 1, 1987

F. Babin, J. Boulmer, P. Camus, J.-M. Gagné, and P. Pillet, "Ultraviolet optogalvanic laser spectroscopy of iron for reference wavelengths," Opt. Lett. 12, 468-470 (1987)

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