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High‐resolution time‐ and two‐dimensional space‐resolved x‐ray imaging of plasmas at NOVA

 

作者: O. L. Landen,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1992)
卷期: Volume 63, issue 10  

页码: 5075-5078

 

ISSN:0034-6748

 

年代: 1992

 

DOI:10.1063/1.1143496

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A streaked multiple pinhole camera technique, first used by P. Choi and co‐workers [C. Deeney and P. Choi, Rev. Sci. Instrum.60, 3558 (1989); P. Choi and R. Aliaga,ibid.61, 2747 (1990)] to record time‐ and two‐dimensional space‐resolved soft x‐ray images of plasma pinches, has been implemented on laser plasmas at NOVA. The instrument is particularly useful for time‐resolved imaging of small sources (<150 &mgr;m in size) such as implosions for which the necessary alignment accuracy is relaxed from ≤10 &mgr;m for a single pinhole, to 200 &mgr;m for a nine‐pinhole column. Results at 20 &mgr;m, 30‐ps resolution are presented for ≳2.5‐keV imaging, complementing the existing 1–3‐keV streaked x‐ray microscope capabilities at NOVA.

 

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