DOE OSTI · 1823930
Variable-focus magnetostatic lens
Abstract
Variable-focus solenoidal lenses for charged particle beams with integrated emittance filtering are disclosed. The emittance may be controlled via selection of collimating irises. The focal length may be changed by altering the spacing between two permanent ring magnets.
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Lewellen, John, Nichols, Kimberly, Andrews, Heather, Fleming, Ryan. 2021-05-04. Variable-focus magnetostatic lens. https://www.osti.gov/biblio/1823930
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