X-ray emission as a diagnostic from pseudospark-sourced electron beams

X-ray emission has been achieved using an electron beam generated by a pseudospark low-pressure discharge and utilised as a diagnostic for beam detection. A 300A, 34kV PS-sourced electron beam pulse of 3mm diameter impacting on a 0.1mm-thick molybdenum target generated X-rays which were detected via...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2014-09, Vol.335, p.74-77
Main Authors: Bowes, D., Yin, H., He, W., Zhang, L., Cross, A.W., Ronald, K., Phelps, A.D.R., Chen, D., Zhang, P., Chen, X., Li, D.
Format: Article
Language:English
Subjects:
Beams (radiation)
Diagnostic systems
Discharge
Electron beams
Emission
Gas discharges
Molybdenum
Pseudospark
X-ray emission
X-ray sources
X-rays
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Summary:X-ray emission has been achieved using an electron beam generated by a pseudospark low-pressure discharge and utilised as a diagnostic for beam detection. A 300A, 34kV PS-sourced electron beam pulse of 3mm diameter impacting on a 0.1mm-thick molybdenum target generated X-rays which were detected via the use of a small, portable X-ray detector. Clear X-ray images of a micro-sized object were captured using an X-ray photodetector. This demonstrates the inducement of proton induced X-ray emission (PIXE) not only as an indicator of beam presence but also as a future X-ray source for small-spot X-ray imaging of materials.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2014.06.008