CO2laser‐driven absorption waves in underdense hydrogen
作者:
N. H. Burnett,
A. A. Offenberger,
期刊:
Journal of Applied Physics
(AIP Available online 1974)
卷期:
Volume 45,
issue 2
页码: 623-625
ISSN:0021-8979
年代: 1974
DOI:10.1063/1.1663294
出版商: AIP
数据来源: AIP
摘要:
A 600‐MW CO2laser oscillator has been used to induce breakdown in hydrogen with filling pressures in the range 10–20 Torr. The breakdown region is observed to undergo a transition from an optically thin symmetric expansion at laser fluxes in excess of ∼ 108W/cm2to an optically thick undirectional expansion at laser intensities below this.
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