[1] Utsunomiya Univ, Grad Sch Engn, Utsunomiya, Tochigi 3218585, Japan
[2] ELI Beamlines, Inst Phys, Prague 18221, Czech Republic
[3] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China
[4] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague 11519, Czech Republic
[5] Japan Atom Energy Agcy, Kansai Photon Sci Inst, Kyoto 6190215, Japan
[6] ELI ALPS, Szeged, Hungary