TITLE

A novel backscatter focus diagnostic for the TRIDENT 200 TW laser

AUTHOR(S)
Gautier, D. C.; Flippo, K. A.; Letzring, S. A.; Shimada, J. Workman T.; Johnson, R. P.; Hurry, T. R.; Gaillard, S. A.; Hegelich, B. M.
PUB. DATE
October 2008
SOURCE
Review of Scientific Instruments;Oct2008, Vol. 79 Issue 10, p10F547
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Here we present the first direct focal spot images and analysis of an ultrahigh intensity short-pulse laser focus (>5×1019 W/cm2) on target. Such a focal spot characterization is typically done previous to the shot with a low-power alignment beam using equivalent plane imaging techniques. The resulting intensity of the shot is then inferred from these results. We report on the development of a backscatter focus diagnostic, which enables imaging of the on-target full-power focal spot.
ACCESSION #
35150008

 

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