Spectroscopy of l-series transitions for x-ray laser photopumping

P. G. Burkhalter, D. A. Newman, J. Hailey, P. D. Rockett, G. Charatis, J. Macgowan, Dennis L Matthews

Research output: Contribution to journalArticle

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Abstract

Candidate photopumping materials for resonant photoexcitation x-ray laser schemes were examined to determine spectral line position and radiant line intensity. Improved spectroscopic techniques have permitted several comparative measurements to be made with greater sensitivity and resolution than that of earlier work. A cylindrically focused 0.527-μm laser beam was used to generate the plasma source emission by irradiating thin foil targets. Selected wavelength regions in the 10-17-Å range were studied for possible line coincidences between K- series transitions in F, Ne, and 0 with emission from transition-metal targets. Within the measurement accuracy of ±2 mÅ, exact spectral line coincidences were found for Mn with the F H-/3 line at 12.643 Å and for both Mn and Cr with the F He-β line at 14.458 Å. The Mn line at 12.643 has been identified, using ab initio atomic-structure calculations, as the1D2-1F3 transition in Be-like Mn XXII. This line was found to yield 2-5 mJ into 27π sr with 20 J of laser energy on target. Spectral identifications and wavelengths for Be-like Ti, Cr, Mn, Fe, and Co lines, for Li-like Ti, Cr, and Mn lines, and for N-like Mn lines also resulted from this work.

Original languageEnglish (US)
Pages (from-to)1894-1905
Number of pages12
JournalJournal of the Optical Society of America B: Optical Physics
Volume2
Issue number12
DOIs
StatePublished - 1985
Externally publishedYes

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x ray lasers
line spectra
spectroscopy
photoexcitation
atomic structure
wavelengths
foils
transition metals
laser beams
sensitivity
lasers
energy

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Spectroscopy of l-series transitions for x-ray laser photopumping. / Burkhalter, P. G.; Newman, D. A.; Hailey, J.; Rockett, P. D.; Charatis, G.; Macgowan, J.; Matthews, Dennis L.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 2, No. 12, 1985, p. 1894-1905.

Research output: Contribution to journalArticle

Burkhalter, PG, Newman, DA, Hailey, J, Rockett, PD, Charatis, G, Macgowan, J & Matthews, DL 1985, 'Spectroscopy of l-series transitions for x-ray laser photopumping', Journal of the Optical Society of America B: Optical Physics, vol. 2, no. 12, pp. 1894-1905. https://doi.org/10.1364/JOSAB.2.001894
Burkhalter, P. G. ; Newman, D. A. ; Hailey, J. ; Rockett, P. D. ; Charatis, G. ; Macgowan, J. ; Matthews, Dennis L. / Spectroscopy of l-series transitions for x-ray laser photopumping. In: Journal of the Optical Society of America B: Optical Physics. 1985 ; Vol. 2, No. 12. pp. 1894-1905.
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