Modeling the propagation of a high-average-power train of ultrashort laser pulses

被引：7
|
作者：
Isaacs, J. [1 ]
Hafizi, B. [1 ]
Johnson, L. A. [1 ,2 ]
Rosenthal, E. W. [3 ]
Mrini, L. [4 ]
Penano, J. [1 ]
机构：
[1] US Naval Res Lab, Plasma Phys Div, Washington, DC 20375 USA
[2] Mitre Corp, Emerging Tech Innovat Ctr, Mclean, VA 22102 USA
[3] US Naval Res Lab, Tact Elect Warfare Div, Washington, DC 20375 USA
[4] William & Mary, Williamsburg, VA 23187 USA
来源：
OPTICS EXPRESS | 2022年 / 30卷 / 13期
关键词：
FEMTOSECOND; DYNAMICS;
D O I：
10.1364/OE.443989
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the interpulse thermal interaction of a train of ultrashort laser pulses and develop a model to describe the isobaric heating of air by a train of pulses undergoing filamentation. We calculate the heating of air from a single laser pulse and the resulting refractive index perturbation encountered by subsequent pulses, and use this to simulate the propagation of a high-power pulse train. The simulations show deflection of laser filaments by the thermal refractive index consistent with previous experimental measurements. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：22306 / 22320
页数：15
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