A microfocus x-ray source based on a nonmetal liquid-jet anode

被引：6

作者：

Tuohimaa, T. ^{[1
]}

Ewald, J. ^{[1
]}

Schlie, M. ^{[1
]}

Fernandez-Varea, J. M. ^{[2
]}

Hertz, H. M. ^{[1
]}

Vogt, U. ^{[1
]}

机构：

[1] KTH Royal Inst Technology Albanova, Dept Appl Phys, SE-10691 Stockholm, Sweden

[2] Univ Barcelona, Fac Fis ECM, ES-08028 Barcelona, Spain

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 23期

关键词：

D O I：

10.1063/1.2942379

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate stable operation of a nonmetallic anode in an electron-impact x-ray source. A high-brightness electron beam is focused on a similar to 70 m/s speed, similar to 10 mu m diameter methanol jet producing stable x-ray emission with peak spectral brightness at similar to 5.4 x 10(5) photons/(s x mu m(2) x sr x 0.1% BW). The jet is fully evaporated in the interaction point. The shape of a simulated spectrum using Monte Carlo methods shows good agreement with experimental data, and the theoretical brightness values give an upper limit for the achievable x-ray emission from jets with very high velocities. Using this anode concept, all compounds and elements found in liquid form are potentially usable for x-ray generation. (C) 2008 American Institute of Physics.

引用

页数：3

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