论文标题
激光等离子体楔相互作用的电子加速
Electron acceleration by laser plasma wedge interaction
论文作者
论文摘要
确定了一种新的电子加速度机制，该机制在相对激烈的激光照射过度密度血浆的楔形物时会发展。这诱导了具有显着的纵向电场的衍射电磁波，该电场可在长距离上加速电子从等离子体到相对论能量。使用$iλ_0^2 = 3.5 \ times 10^{19} \，{\ rmwμm^2/cm^2} $，使用具有高达100 MEV的能量的高直接（NC）电子束具有高达100 MEV的能量。由简单的分析模型支持的多维粒子中的粒子模拟确认了提出的加速方案的效率和鲁棒性。
A new electron acceleration mechanism is identified that develops when a relativistically intense laser irradiates the wedge of an over-dense plasma. This induces a diffracted electromagnetic wave with a significant longitudinal electric field that accelerates electrons from the plasma over long distances to relativistic energies. Well collimated, highly-charged (nC) electron bunches with energies up to 100's MeV are obtained using a laser beam with $I λ_0^2 =3.5\times 10^{19}\,{\rm W μm^2/cm^2}$. Multi-dimensional particle-in-cell simulations, supported by a simple analytical model, confirm the efficiency and robustness of the proposed acceleration scheme.
