Abstract
Improved spectroscopic techniques have yielded high-resolution L-series spectra for Cr. A focused-laser beam was used to generate the plasma source emission. The spectra, collected in two separate spectrograph settings, were identified with the aid of theoretical atomic-structure calculations as 2p–3d transitions in B- and Be-like Cr xx and xxi. Distinct spectral lines were classified by using isoelectronic sequence plots.
© 1984 Optical Society of America
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