Electron-beam transport studies for radiographic applications

被引：0

作者：

Hinshelwood, DD ^{[1
]}

Ponce, DM ^{[1
]}

Mosher, D ^{[1
]}

Murphy, DP ^{[1
]}

Schumer, JW ^{[1
]}

Strasburg, SD ^{[1
]}

Weber, BV ^{[1
]}

机构：

[1] USN, Res Lab, Div Plasma Phys, Washington, DC 20375 USA

来源：

PPC-2003: 14TH IEEE INTERNATIONAL PULSED POWER CONFERENCE, VOLS 1 AND 2, DIGEST OF TECHNICAL PAPERS | 2003年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have measured electron-beam-produced gas ionization in a paraxial-diode gas cell, using three different interferometric arrangements. We have also measured the beam net current at the channel wall. In the range of tens of kA/cm(2) and 0.3-5 Torr, the electron density is in the 10(17) cm(-3) range, scaling strongly with beam current density and sub-linearly with pressure. The fractional net current ranges from 20-40%. We are developing a rate-equation ionization model whose results are consistent with these measurements.

引用

页码：491 / 494

页数：4

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