Comprehensive characterization of electromagnetic pulses driven by a sub-nanosecond kilojoule laser

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00642391" target="_blank" >RIV/68378271:_____/25:00642391 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389021:_____/25:00648101 RIV/68407700:21230/25:00385052 RIV/10974938:_____/25:25_89_16 RIV/00216208:11320/25:10502539

Výsledek na webu

<a href="https://hdl.handle.net/11104/0372414" target="_blank" >https://hdl.handle.net/11104/0372414</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1017/hpl.2025.10035" target="_blank" >10.1017/hpl.2025.10035</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Comprehensive characterization of electromagnetic pulses driven by a sub-nanosecond kilojoule laser

Popis výsledku v původním jazyce

The generation of intense radio-frequency and microwave electromagnetic pulses (EMPs) by the interaction of a highpower laser with a target is an interesting phenomenon, the exact mechanisms of which remain inadequately explained. In this paper we present a detailed characterization of the EMP emission at a sub-nanosecond kilojoule laser facility, the Prague Asterix Laser System. The EMPs were detected using a comprehensive set of broadband diagnostics including B-dot and D-dot probes, various antennas, target current and voltage probes and oscilloscopes with 100 and 128 GS/s sampling. Measurements show that the EMP spectrum was strongly dependent on the laser energy: the maximum frequency of the spectrum and the frequency of the spectrum centroid increased with increasing laser beam energy in the signals from all detectors used. The highest observed frequencies exceeded 9 GHz. The amplitude and energy of the detected EMP signals were scaled as a function of laser energy, power and number of emitted electrons.

Název v anglickém jazyce

Comprehensive characterization of electromagnetic pulses driven by a sub-nanosecond kilojoule laser

Popis výsledku anglicky

The generation of intense radio-frequency and microwave electromagnetic pulses (EMPs) by the interaction of a highpower laser with a target is an interesting phenomenon, the exact mechanisms of which remain inadequately explained. In this paper we present a detailed characterization of the EMP emission at a sub-nanosecond kilojoule laser facility, the Prague Asterix Laser System. The EMPs were detected using a comprehensive set of broadband diagnostics including B-dot and D-dot probes, various antennas, target current and voltage probes and oscilloscopes with 100 and 128 GS/s sampling. Measurements show that the EMP spectrum was strongly dependent on the laser energy: the maximum frequency of the spectrum and the frequency of the spectrum centroid increased with increasing laser beam energy in the signals from all detectors used. The highest observed frequencies exceeded 9 GHz. The amplitude and energy of the detected EMP signals were scaled as a function of laser energy, power and number of emitted electrons.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

High Power Laser Science and Engineering

ISSN

2095-4719

e-ISSN

2052-3289

Svazek periodika

13

Číslo periodika v rámci svazku

Sept

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

18

Strana od-do

e57

Kód UT WoS článku

001563379800001

EID výsledku v databázi Scopus

2-s2.0-105015530249