High-repetition-rate source of nanosecond duration kA-current pulses driven by relativistic laser pulses

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F24%3A00376420" target="_blank" >RIV/68407700:21230/24:00376420 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1017/hpl.2024.14" target="_blank" >https://doi.org/10.1017/hpl.2024.14</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1017/hpl.2024.14" target="_blank" >10.1017/hpl.2024.14</a>

Jazyk výsledku

angličtina

Název v původním jazyce

High-repetition-rate source of nanosecond duration kA-current pulses driven by relativistic laser pulses

Popis výsledku v původním jazyce

We report the first high-repetition-rate generation and simultaneous characterization of nanosecond-scale return currents of kA-magnitude issued by the polarization of a target irradiated with a PW-class high-repetition-rate titanium:sapphire laser system at relativistic intensities. We present experimental results obtained with the VEGA-3 laser at intensities from $5times {10}<^>{18}$ to $1.3times {10}<^>{20}$ W cm ${}<^>{-2}$ . A non-invasive inductive return-current monitor is adopted to measure the derivative of return currents of the order of kA ns ${}<^>{-1}$ and analysis methodology is developed to derive return currents. We compare the current for copper, aluminium and Kapton targets at different laser energies. The data show the stable production of current peaks and clear prospects for the tailoring of the pulse shape, which is promising for future applications in high-energy-density science, for example, electromagnetic interference stress tests, high-voltage pulse response measurements and charged particle beam lensing. We compare the target discharge of the order of hundreds of nC with theoretical predictions and a good agreement is found.

Název v anglickém jazyce

High-repetition-rate source of nanosecond duration kA-current pulses driven by relativistic laser pulses

Popis výsledku anglicky

We report the first high-repetition-rate generation and simultaneous characterization of nanosecond-scale return currents of kA-magnitude issued by the polarization of a target irradiated with a PW-class high-repetition-rate titanium:sapphire laser system at relativistic intensities. We present experimental results obtained with the VEGA-3 laser at intensities from $5times {10}<^>{18}$ to $1.3times {10}<^>{20}$ W cm ${}<^>{-2}$ . A non-invasive inductive return-current monitor is adopted to measure the derivative of return currents of the order of kA ns ${}<^>{-1}$ and analysis methodology is developed to derive return currents. We compare the current for copper, aluminium and Kapton targets at different laser energies. The data show the stable production of current peaks and clear prospects for the tailoring of the pulse shape, which is promising for future applications in high-energy-density science, for example, electromagnetic interference stress tests, high-voltage pulse response measurements and charged particle beam lensing. We compare the target discharge of the order of hundreds of nC with theoretical predictions and a good agreement is found.

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

<a href="/cs/project/GM23-05027M" target="_blank" >GM23-05027M: Intenzivní elektromagnetické impulsy: vznik, charakterizace a ovládání</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

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

12

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

001293003900001

EID výsledku v databázi Scopus

2-s2.0-85187938414