Backscatter measurements for NIF ignition targets (invited).
Rev Sci Instrum
; 81(10): 10D921, 2010 Oct.
Article
em En
| MEDLINE
| ID: mdl-21033953
ABSTRACT
Backscattered light via laser-plasma instabilities has been measured in early NIF hohlraum experiments on two beam quads using a suite of detectors. A full aperture backscatter system and near backscatter imager (NBI) instrument separately measure the stimulated Brillouin and stimulated Raman scattered light. Both instruments work in conjunction to determine the total backscattered power to an accuracy of â¼15%. In order to achieve the power accuracy we have added time-resolution to the NBI for the first time. This capability provides a temporally resolved spatial image of the backscatter which can be viewed as a movie.
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01-internacional
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MEDLINE
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En
Ano de publicação:
2010
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Article