PW laser-driven bright x-ray emission and dense positron production from diamondlike carbon foils

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Yu, T. -P. and Li, H. -Z. and Yin, Y. and Sheng, Z. -M. and McKenna, P. and Shao, F. -Q.; (2018) PW laser-driven bright x-ray emission and dense positron production from diamondlike carbon foils. In: 2018 International Conference Laser Optics (ICLO). IEEE, SUN, p. 241. ISBN 9781538636121 (https://doi.org/10.1109/LO.2018.8435808)

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Abstract

We propose an all-optical scheme for ultra-bright x-ray emission and dense positron production with lasers at intensity of 1022-23 Wcm-2. By irradiating two colliding elliptically-polarized lasers onto two diamondlike carbon foils, electrons in the focal region of one foil are rapidly accelerated by the laser radiation pressure and interact with the other intense laser pulse which penetrates through the second foil due to relativistically induced foil transparency. This symmetric configuration enables efficient x-photon emission with unprecedented brightness of 1025 photons/s/mm2/mrad2/0.1%BW at 15 MeV and intensity of 5xl023 Wcm-2. A GeV positron beam with density of 2.5xl022 cm-3 and flux of 1.6xl010/shot is achieved.

ORCID iDs

Yu, T. -P., Li, H. -Z., Yin, Y., Sheng, Z. -M. ORCID logoORCID: https://orcid.org/0000-0002-8823-9993, McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091 and Shao, F. -Q.;
  • Item type:Book Section
    ID code:68284
    Dates:
    Date
    Event
    13 August 2018
    Published
    Notes:© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:06 Jun 2019 13:56
    Last modified:24 Dec 2024 01:03
    URI:https://strathprints.strath.ac.uk/id/eprint/68284
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