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

页码：443 / 456

页数：14

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