Gas breakdown by single, similar 40 ps-50 ns, 1$middot$06 $\mu$m laser pulses
- 1 November 1974
- journal article
- letter
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 7 (16) , L179-L183
- https://doi.org/10.1088/0022-3727/7/16/101
Abstract
The pressure and pulse length dependence of the threshold intensity for optical frequency breakdown of N2 and Ar has been studied using 106 μm pulses from an Nd3+ laser. The pressure range covered was from similar 1-105 Torr and the pulse duration (which is approximately twice the FWHM value) from similar 40 ps-50 ns. At low intensities less, similar 1012 W cm−2 the results are shown to satisfy a simple scaling law of the type found in the analysis of DC breakdown data.Keywords
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