Wuppertal 2015 – scientific programme
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 4: FEL, Seeding and Thomson Scattering
AKBP 4.2: Talk
Monday, March 9, 2015, 17:00–17:15, F.10.01 (HS 4)
High energy narrow bandwidth light generation from inverse Thomson scattering with ultralow-emittance underdense photocathode plasma wakefield accelerated electron bunches — •Paul Scherkl1, Alexander Knetsch1, Oliver Karger1, Georg Wittig1, Grace Manahan2, and Bernhard Hidding1,2 — 1Department of Experimental Physics, University of Hamburg, Germany — 2SUPA, Scottish Center for the Application of Plasma Accelerators (SCAPA) , University of Strathclyde, UK
Thomson scattering of light from fast moving electrons is a well-known and established technique as a high energy light source. Resulting X-Ray and γ-Ray radiation is used in many areas of science, industry and medicine, since it is intense and provides high photon energies with narrow bandwidth.
The achievable Thomson scattered light bandwidth strongly depends on electron beam emittance.
The underdense photocathode plasma wakefield acceleration scheme (Trojan horse, TH) is a promising method in order to generate ultra-low emittance, ultrabright electron bunches. A low bandwidth inverse Thomson scattering light source scheme is presented based on 3D particle in cell simulations and 3D time and frequency resolved Thomson scattering simulations.