Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Uesugi Yuuki,Properties of electron lenses produced by ponderomotive potential with Bessel and Laguerre-Gaussian beams,arXiv,,,2021,2201.08523,,1-19,https://cir.nii.ac.jp/crid/1010294643668186753,