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High-quality electron bunch production for high-brilliance Thomson Scattering sources
Author(s): Paolo Tomassini; Luca Labate; Pasquale Londrillo; Renato Fedele; Davide Terzani; Leonida A. Gizzi
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Paper Abstract

Laser Wake Field accelerated electrons need to exhibit a good beam-quality to comply with requirements of FEL or high brilliance Thomson Scattering sources, or to be post-accelerated in a further LWFA stage towards TeV energy scale. Controlling electron injection, plasma density profile and laser pulse evolution are therefore crucial tasks for high-quality e-bunch production. A new bunch injection scheme, the Resonant Multi-Pulse Ionization Injection (RMPII), is based on a single, ultrashort Ti:Sa laser system. In the RMPII the main portion of the pulse is temporally shaped as a sequence of resonant sub-pulses, while a minor portion acts as an ionizing pulse. Simulations show that high-quality electron bunches with energies in the range 265MeV −1.15GeV , normalized emittance as low as 0.08 mm·mrad and 0.65% energy spread can be obtained with a single 250 TW Ti:Sa laser system. Applications of the e-beam in high-brilliance Thomson Scattering source, including 1.5 - 26.4 MeV γ sources with peak brilliance up to 1 · 1028ph/(s · mm2 • mrad2 • 0.1%bw), are reported.

Paper Details

Date Published: 7 May 2017
PDF: 18 pages
Proc. SPIE 10240, Laser Acceleration of Electrons, Protons, and Ions IV, 102400T (7 May 2017); doi: 10.1117/12.2266938
Show Author Affiliations
Paolo Tomassini, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche (Italy)
Luca Labate, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche (Italy)
Istituto Nazionale di Fisica Nucleare (Italy)
Pasquale Londrillo, Istituto Nazionale di Fisica Nucleare (Italy)
Renato Fedele, Univ. degli Studi di Napoli Federico II (Italy)
Davide Terzani, Univ. degli Studi di Napoli Federico II (Italy)
Leonida A. Gizzi, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche (Italy)
Istituto Nazionale di Fisica Nucleare (Italy)


Published in SPIE Proceedings Vol. 10240:
Laser Acceleration of Electrons, Protons, and Ions IV
Eric Esarey; Carl B. Schroeder; Florian J. Grüner, Editor(s)

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