Observation of Focused Electron Beams inside a High-Tc Bulk Superconductor Lens (Supertrons)
- 1 May 1991
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 30 (5A) , L841
- https://doi.org/10.1143/jjap.30.l841
Abstract
Focusing of intense electron beams (340 keV, 0.8 kA, and 10 ns) was confirmed visually inside a high-T c bismuth-based bulk superconductor lens (Supertrons) with image fibers. The electron beams were focused to 1.1 mm in diameter (full width at half-maximum) at the exit of the lens, the narrowest beams which have been achieved with Supertrons.Keywords
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