Radiographic properties of plasma-filled rod-pinch diodes

被引：26
|
作者：
Weber, Bruce V. [1 ]
Allen, Raymond J. [1 ]
Commisso, Robert J. [1 ]
Cooperstein, Gerald [1 ]
Hinshelwood, David D. [1 ]
Mosher, David [2 ]
Murphy, Donald P. [1 ]
Ottinger, Paul R. [1 ]
Phipps, David G. [2 ]
Schumer, Joseph W. [1 ,2 ]
Stephanakis, Stavros J. [2 ]
Swanekamp, Stephen B. [2 ]
Pope, Stuart C.
Threadgold, Jim R.
Biddle, Lester A.
Clough, Stephen G.
Jones, Aled
Sinclair, Mark A.
Swatton, Damon
Carden, Thomas
Oliver, Bryan V. [3 ]
机构：
[1] USN, Res Lab, Div Plasma Phys, Washington, DC 20375 USA
[2] L 3 Titan Corp, Silver Spring, MD 20910 USA
[3] Sandia Natl Labs, Albuquerque, NM 87185 USA
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2008年 / 36卷 / 02期
关键词：
plasma-filled diode; pulsed power; radiography; rod-pinch diode;
D O I：
10.1109/TPS.2008.918953
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The plasma-filled rod-pinch diode (PFRP) is a new X-ray source appropriate for pulsed hydrodynamic radiography with endpoint voltage in the 1-2 MV range. The use of a plasma prefill in a rod-pinch-electrode configuration results in intense concentration of a 150-300 kA, similar to 2 MeV, similar to 100 ns electron beam at the tip of a tapered tungsten rod, producing an X-ray source with a submillimeter diameter and a dose of 25 rad (CaF2) at a distance of I m. These parameters are superior to conventional vacuum diodes used for radiography in this electron-beam energy range. The narrow X-ray source distribution and enhanced emission of X-rays with energies less than 300 keV are unique features of the PFRP that may be exploited for improved resolution and dynamic range for radiographic applications.
引用
收藏
页码：443 / 456
页数：14
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