啁啾短脉冲Laser加速离子
Ion Acceleration by Short Chirped Laser Pulses
摘要：
从理论上研究了短频率啁啾激光脉冲对离子的直接激光加速。我们证明了可以产生动能展宽约1%的强离子束。啁啾的激光脉冲允许粒子获得数百兆电子伏的动能，这是强子癌症治疗所需的，从脉冲的能量的顺序为100 J。它示出，几个周期的啁啾脉冲可以加速离子更有效地比长的，即更高的离子动能达到相同的总电磁脉冲能量。
英文摘要：
Direct laser acceleration of ions by short frequency-chirped laser pulses is investigated theoretically. We demonstrate that intense beams of ions with a kinetic energy broadening of about 1 % can be generated. The chirping of the laser pulse allows the particles to gain kinetic energies of hundreds of MeVs, which is required for hadron cancer therapy, from pulses of energies of the order of 100 J. It is shown that few-cycle chirped pulses can accelerate ions more efficiently than long ones, i.e. higher ion kinetic energies are reached with the same amount of total electromagnetic pulse energy.
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