Extreme ultraviolet absorption spectroscopy of a backlighted aluminum plasma
作者:
John C. Riordan,
Jay S. Pearlman,
期刊:
Applied Physics Letters
(AIP Available online 1981)
卷期:
Volume 39,
issue 7
页码: 543-545
ISSN:0003-6951
年代: 1981
DOI:10.1063/1.92787
出版商: AIP
数据来源: AIP
摘要:
We show that a cold, dense laboratory plasma can be readily characterized by extreme ultraviolet absorption spectroscopy. The plasma is produced by irradiating a thin aluminum foil with a pulsed soft x‐ray source. The same source also provides a backlighting continuum for absorption spectroscopy. Time‐integratedL‐shell spectra obtained with a grazing incidence spectrograph show collisionally broadened absorption lines of A1 IV and A1 V. The spectra provide plasma temperature and electron density measurements of ≳12 eV and 0.6×1021cm−3, respectively.
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