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21 October 1986 Ionization Of Rare Gas Atoms By A CO2 Laser: Extreme Order Of Nonlinearity
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Proceedings Volume 0664, High Intensity Laser Processes; (1986) https://doi.org/10.1117/12.938708
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada
Abstract
Collisionless ionization of five of the rare gases has been observed using a CO2 laser, at intensities in the range 1013 - 1014 W/cm2, with a pulse duration of 1 ns. Calculations taking into account the space - and time - dependence of the laser pulse show that the ionization rate is a highly nonlinear function of intensity. It is shown that the nonlinearity is so strong that an "ON-OFF" hypothesis, stating that ionization is saturated as soon as it begins to appear, is sufficient to reproduce the experimental results.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F Yergeau, S L Chin, and P Lavigne "Ionization Of Rare Gas Atoms By A CO2 Laser: Extreme Order Of Nonlinearity", Proc. SPIE 0664, High Intensity Laser Processes, (21 October 1986); https://doi.org/10.1117/12.938708
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