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Study of the pressure broadening of the 587.6 nm helium and the 588.2 neon lines

J Rohe-Hansen, K Jess and V Helbig

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Laser polarisation spectroscopy has been used to measure broadening and shift of the helium 587.6 nm and the neon 588.2 nm lines in a low-pressure glow discharge. A least-squares computer routine accounting for competing broadening contributions extracted the pressure broadening parameters from the raw data. The results are compared with those of Cahuzac and Damaschini (1977), (1980) for the helium line and with those of Kuhn and Lewis (1967) and Jabr and Bennett (1980) for the neon line.


PACS

32.70.Jz Line shapes, widths, and shifts

32.10.Fn Fine and hyperfine structure

32.80.-t Photoionization and excitation

52.80.Hc Glow; corona

Subjects

Atomic and molecular physics

Plasma physics

Dates

Issue 19 (14 October 1987)



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