EPJ Web of Conferences
Volume 167, 2018Plasma Physics by Laser and Applications (PPLA 2017)
|Number of page(s)||3|
|Section||Laser Plasma Diagnostics|
|Published online||09 January 2018|
Strong electromagnetic pulses generated in laser-matter interactions with 10TW-class fs laser
Institute of Plasma Physics and Laser Microfusion, 01-497 Warsaw, Poland
* Corresponding author: email@example.com
Published online: 9 January 2018
The results of an experiment on the generation of electromagnetic pulses (EMP) in the interaction of 10TW fs pulses with thick (mm scale) and thin foil (μm scale) targets are described. Such pulses, with frequencies in the GHz range, may pose a threat to safe and reliable operation of high-power, high-intensity laser facilities. The main point of the experiment is to investigate the fine temporal structure of such pulses using an oscilloscope capable of measurements at very high sampling rate. It is found that the amazing reproducibility of such pulses is confirmed at this high sampling rate. Furthermore, the differences between the EMP signals generated from thick and thin foil targets are clearly seen, which indicates that besides electric polarization of the target and the target neutralization current there may be other factors essential for the EMP emission.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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