Abstract

The majority of the plasma lines of the argon ion laser are shown to be transitions of the argon ion. These lines are useful for calibrating Raman spectrometers. A table is given of the plasma lines, including relative intensities, wavelengths (in standard air), wavenumber (<i>in vacuo</i>), and wavenumber shifts relative to the 488.0 and 514.5 nm laser lines. Spectra showing the relative intensities of these lines are also shown.

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