Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Microscale Optical Information Science and Technology, Tianjin, 300350, China.
International Laser Center, Lomonosov Moscow State University, Moscow, Russia, 119991.
Sci Rep. 2020 Jul 30;10(1):12878. doi: 10.1038/s41598-020-69918-8.
An adaptive method based on the genetic algorithm (GA) is proposed to control the location of femtosecond laser filament. To verify the feasibility of this method, the simulation results obtained through the GA method are compared with those by the chirp method when femtosecond laser pulses with different pulse energies are used. It is found that the intensity profile and the phase of the femtosecond laser pulses obtained by the GA method are nearly identical to those obtained by the chirp method. It demonstrates that the GA adaptive control method can accurately control the position of the starting point of the filament in the femtosecond laser filamentation.
提出了一种基于遗传算法 (GA) 的自适应方法来控制飞秒激光细丝的位置。为了验证该方法的可行性，将通过 GA 方法获得的模拟结果与使用不同脉冲能量的飞秒激光脉冲时通过啁啾方法获得的模拟结果进行了比较。结果发现，通过 GA 方法获得的飞秒激光脉冲的强度分布和相位与通过啁啾方法获得的几乎相同。这表明 GA 自适应控制方法可以精确控制飞秒激光成丝过程中细丝起点的位置。
