A microfocus x-ray source based on a nonmetal liquid-jet anode
2008 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 92, no 23, 233509-1-233509-3 p.Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
2008. Vol. 92, no 23, 233509-1-233509-3 p.
Auger electron spectroscopy, Charged particles, Electron beams, Electron optics, Electron sources, Electrons, Farm buildings, Luminance, Methanol, Optical properties, Particle beams, X ray apparatus, X rays, Electron impact (EI), High-brightness (HB), Liquid jets, microfocus x-ray, Spectral brightness, stable operations, X-ray emissions, x-ray sources
Other Engineering and Technologies
IdentifiersURN: urn:nbn:se:kth:diva-8667DOI: 10.1063/1.2942379ISI: 000256706000091ScopusID: 2-s2.0-45149105282OAI: oai:DiVA.org:kth-8667DiVA: diva2:14048
QC 20100915. Uppdaterad från submitted till published (20100915).2008-06-042008-06-042010-09-15Bibliographically approved