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Title: Collimated Fast Electron Emission from Long Wires Irradiated by Intense Femtosecond Laser Pulses
Authors: Tokita, Shigeki
Otani, Kazuto
Nishoji, Toshihiko
Inoue, Shunsuke  kyouindb  KAKEN_id
Hashida, Masaki  kyouindb  KAKEN_id  orcid (unconfirmed)
Sakabe, Shuji  kyouindb  KAKEN_id
Author's alias: 時田, 茂樹
Issue Date: Jun-2011
Publisher: American Physical Society
Journal title: Physical Review Letters
Volume: 106
Issue: 25
Thesis number: 255001
Abstract: We have experimentally demonstrated that fast electrons emitted from a metallic wire irradiated by a 5×10[18]  W/cm[2] laser pulse can be collimated along the wire, and that their intensity is significantly enhanced in the axial direction of the wire. As the wire length is increased up to 30 mm from the laser focal spot, the angular divergence of the emitted electrons with energies of hundreds of keV decreases to 65 mrad. Numerical simulations reveal that the electrons are trapped by the transient electric field surrounding the wire and guided along the axial direction.
Rights: © 2011 American Physical Society
DOI(Published Version): 10.1103/PhysRevLett.106.255001
PubMed ID: 21770647
Appears in Collections:Journal Articles

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