Electron energy enhancement by a circularly polarized laser pulse in vacuum

被引:15
|
作者
Singh, K. P. [1 ]
Gupta, D. N. [2 ]
Sajal, V. [3 ]
机构
[1] MSJ Coll, Dept Phys, Bharatpur 321001, Rajasthan, India
[2] Singh Simutech Pvt Ltd, Bharatpur, Rajasthan, India
[3] Informat Technol Univ, Jaypee Inst, Dept Phys, Noida, Uttar Pradesh, India
关键词
Electron acceleration; Laser plasma; Polarization; Vacuum; HIGH-INTENSITY LASER; RELATIVISTIC ENERGIES; PLASMA-WAVES; ACCELERATION; BEAMS; IONIZATION; SCATTERING; IGNITION; FIELDS;
D O I
10.1017/S0263034609990474
中图分类号
O59 [应用物理学];
学科分类号
摘要
Energy enhancement by a Circularly polarized laser Pulse during acceleration of the electrons by a Gaussian laser pulse has been investigated. The electrons close to the temporal peak of the laser pulse show strong initial phase dependence for a linearly polarized laser pulse. The energy gained by the electrons close to the rising edge of the Pulse does not show initial phase dependence for either linearly- or circularly-polarized laser pulse. The maximum energy of the electrons gets enhanced for a circularly polarized in comparison to a linearly polarized laser pulse due to axial symmetry of the circularly polarized pulse. The variation of electron energy with laser spot size, laser intensity, initial electron energy, and initial phase has been studied.
引用
收藏
页码:635 / 642
页数:8
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