supported by the National Natural Science Foundation of China(Nos.12475247,11935008 and 12305274)
Proton acceleration in a near-critical-density gas driven by a light spring(LS) pulse with a helical structure in its intensity profile is investigated using three-dimensional particle-in-cell simulations. Compared wi...
supported by the Science Challenge Project(No.TZ2018005);the National Natural Science Foundation of China(Nos.11875191,11991073,11890710,and 11721404);the Strategic Priority Research Program of the CAS(Nos.XDB1602 and XDA01020304);the Key Program of CAS(Nos.XDA01020304 and XDB17030500);the National Key R&D Program of China(No.2017YFA0403301)。
A pulsed fast neutron source is critical for applications of fast neutron resonance radiography and fast neutron absorption spectroscopy.However,due to the large transversal source size(of the order of mm)and long pul...
supported by the Science Challenge Project (No. JCKY2016212A505);the National Natural Science Foundation of China (No. 11805182)
Muons produced by the Bethe–Heitler process from laser wakefield accelerated electrons interacting with high Z materials have velocities close to the laser wakefield. It is possible to accelerate those muons with las...
supported by the National ‘973’ Program of China under Grant No.2013CBA01504;supported by Shanghai Supercomputer Center and the center for high performance computing at Shanghai Jiao Tong University
Ionization-induced electron injection in laser wakefield accelerators, which was recently proposed to lower the laser intensity threshold for electron trapping into the wake wave, has the drawback of generating electr...
supported by Project Code IBS-R012-D1;supported by the National Natural Science Foundation of China (Project No. 51175324)
Recently there has been great progress in laser-driven plasma-based accelerators by exploiting high-power lasers,where electron beams can be accelerated to multi-GeV energy in a centimeter-scale plasma due to the lase...
supported by the National Natural Science Foundation of China (Project No. 51175324);supported by IZEST, Ecole Polytechnique, France,Shanghai Jiao Tong University, Institute of Physics, CAS, China;the Center for Relativistic Laser Science, Institute for Basic Science (IBS), Korea
Recently, intense research into laser plasma accelerators has achieved great progress in the production of high-energy,high-quality electron beams with Ge V-level energies in a cm-scale plasma. These electron beams op...
supported by the National Science Foundation of China (Grant No. 11121504, 11374209, 11374210,and 11375261)
It is demonstrated by simulations and analysis that a wakefield driven by an ultrashort intense laser pulse in underdense plasma can emit tunable electromagnetic radiation along the laser propagation direction. The pr...
supported in part by NSFC (Grant Nos. 11105217, 11121504, and 10925421);National Basic Research Program of China (Grant No. 2009GB105002)
It is found that there is an upper-limit critical power for self-guided propagation of intense lasers in plasma in addition to the well-known lower-limit critical power set by the relativistic effect.Above this upper-...