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

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.