supported by the National Key R&D Program of China(Grant No.2016YFA0401100);the Science and Technology on Plasma Physics Laboratory(Grant Nos.6142A04180201 and JCKYS2020212006);National Natural Science Foundation of China(Grant No.11975214);the Science Challenge Program(Grant Nos.TZ2016005 and TZ2018005)
The transport of sub-picosecond laser-driven fast electrons in nanopore array targets is studied.Attributed to the generation of micro-structured magnetic fields,most fast electron beams are proven to be effectively g...