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

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Bowes, D. and Yin, H. and He, W. and Zhang, L. and Cross, A.W. and Ronald, K. and Phelps, A.D.R. and Chen, D. and Zhang, P. and Chen, Xiaodong and Li, Daohui. (2014) X-ray emission as a diagnostic from pseudospark-sourced electron beams. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 335. pp. 74-77. ISSN 0168-583X (https://doi.org/10.1016/j.nimb.2014.06.008)

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Abstract

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 300 A, 34 kV PS-sourced electron beam pulse of 3 mm diameter impacting on a 0.1 mm-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.

ORCID iDs

Bowes, D., Yin, H. ORCID logoORCID: https://orcid.org/0000-0002-6635-9759, He, W. ORCID logoORCID: https://orcid.org/0000-0001-7018-0527, Zhang, L. ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, Cross, A.W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283, Ronald, K. ORCID logoORCID: https://orcid.org/0000-0002-8585-0746, Phelps, A.D.R. ORCID logoORCID: https://orcid.org/0000-0002-1100-1012, Chen, D., Zhang, P., Chen, Xiaodong and Li, Daohui.;
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