Currents from relativistic laser-plasma interaction as a novel metrology for the system stability of high-repetition-rate laser secondary sources

Ehret Michael; Vladisavlevici Iuliana-Mariana; Bradford Philip Wykeham; Cikhardt Jakub; Filippov Evgeny; Henares Jose Luis; Martín Rubén Hernández; de Luis Diego; Pérez-Hernández José Antonio; Vicente Pablo; Burian Tomas; García-García Enrique; Hernández Juan; Mendez Cruz; Ruíz Marta Olivar; Varela Óscar; Rodríguez Frías Maria Dolores; Santos João Jorge; Gatti Giancarlo

doi:10.1063/5.0247778

Volume 10 Issue 2

Mar. 2025

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Ehret Michael, Vladisavlevici Iuliana-Mariana, Bradford Philip Wykeham, Cikhardt Jakub, Filippov Evgeny, Henares Jose Luis, Martín Rubén Hernández, de Luis Diego, Pérez-Hernández José Antonio, Vicente Pablo, Burian Tomas, García-García Enrique, Hernández Juan, Mendez Cruz, Ruíz Marta Olivar, Varela Óscar, Rodríguez Frías Maria Dolores, Santos João Jorge, Gatti Giancarlo. Currents from relativistic laser-plasma interaction as a novel metrology for the system stability of high-repetition-rate laser secondary sources[J]. Matter and Radiation at Extremes, 2025, 10(2): 027203. doi: 10.1063/5.0247778

Citation:

Ehret Michael, Vladisavlevici Iuliana-Mariana, Bradford Philip Wykeham, Cikhardt Jakub, Filippov Evgeny, Henares Jose Luis, Martín Rubén Hernández, de Luis Diego, Pérez-Hernández José Antonio, Vicente Pablo, Burian Tomas, García-García Enrique, Hernández Juan, Mendez Cruz, Ruíz Marta Olivar, Varela Óscar, Rodríguez Frías Maria Dolores, Santos João Jorge, Gatti Giancarlo. Currents from relativistic laser-plasma interaction as a novel metrology for the system stability of high-repetition-rate laser secondary sources[J]. Matter and Radiation at Extremes, 2025, 10(2): 027203. doi: 10.1063/5.0247778

Citation:

Ehret Michael, Vladisavlevici Iuliana-Mariana, Bradford Philip Wykeham, Cikhardt Jakub, Filippov Evgeny, Henares Jose Luis, Martín Rubén Hernández, de Luis Diego, Pérez-Hernández José Antonio, Vicente Pablo, Burian Tomas, García-García Enrique, Hernández Juan, Mendez Cruz, Ruíz Marta Olivar, Varela Óscar, Rodríguez Frías Maria Dolores, Santos João Jorge, Gatti Giancarlo. Currents from relativistic laser-plasma interaction as a novel metrology for the system stability of high-repetition-rate laser secondary sources[J]. Matter and Radiation at Extremes, 2025, 10(2): 027203. doi: 10.1063/5.0247778

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Currents from relativistic laser-plasma interaction as a novel metrology for the system stability of high-repetition-rate laser secondary sources

doi: 10.1063/5.0247778

Ehret Michael^{1, 2
,
,
,},
Vladisavlevici Iuliana-Mariana^{1, 2
,},
Bradford Philip Wykeham^{3, 4
,},
Cikhardt Jakub^5
,,
Filippov Evgeny^1
,,
Henares Jose Luis^1
,,
Martín Rubén Hernández¹,
de Luis Diego^1
,,
Pérez-Hernández José Antonio^1
,,
Vicente Pablo^1
,,
Burian Tomas⁶,
García-García Enrique^1
,,
Hernández Juan^1
,,
Mendez Cruz¹,
Ruíz Marta Olivar^1
,,
Varela Óscar¹,
Rodríguez Frías Maria Dolores^{1, 7
,},
Santos João Jorge^3
,,
Gatti Giancarlo^1
,

1.
Centro de Laseres Pulsados, Villamayor, Spain
2.
ELI Beamlines Facility, The Extreme Light Infrastructure ERIC, Dolní Břežany, Czech Republic
3.
Université Bordeaux–CNRS–CEA, CELIA, Talence, France
4.
Central Laser Facility, Rutherford Appleton Laboratory, Didcot, United Kingdom
5.
Czech Technical University, Prague, Czech Republic
6.
FZU–Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
7.
Departamento de Física y Matemáticas, Universidad de Alcalá, Madrid, Spain

More Information

Corresponding author: a)Author to whom correspondence should be addressed: michael.ehret@eli-beams.eu
Received Date: 2024-11-08
Accepted Date: 2025-02-10

Available Online: 2025-03-01

Publish Date: 2025-03-01

Abstract

Abstract

This work demonstrates experimentally the close relation between return currents from relativistic laser-driven target polarization and the quality of the relativistic laser–plasma interaction for laser-driven secondary sources, taking as an example ion acceleration by target normal sheath acceleration. The Pearson linear correlation of maximum return current amplitude and proton spectrum cutoff energy is found to be in the range from ∼0.70 to 0.94. kA-scale return currents rise in all interaction schemes where targets of any kind are charged by escaping laser-accelerated relativistic electrons. Their precise measurement is demonstrated using an inductive scheme that allows operation at high repetition rates. Thus, return currents can be used as a metrological online tool for the optimization of many laser-driven secondary sources and for diagnosing their stability. In particular, in two parametric studies of laser-driven ion acceleration, we carry out a noninvasive online measurement of return currents in a tape target system irradiated by the 1 PW VEGA-3 laser at Centro de Láseres Pulsados: first, the size of the irradiated area is varied at best compression of the laser pulse; second, the pulse duration is varied by means of induced group delay dispersion at best focus. This work paves the way to the development of feedback systems that operate at the high repetition rates of PW-class lasers.

Conflict of Interest
The authors have no conflicts to disclose.
M.E. and I.-M.V. performed the data acquisition, curation and analysis. M.E. wrote the first draft of the manuscript. J.C., P.W.B., M.E., and T.B. commissioned the TCM device at PALS. J.L.H. organized the beamtime at CLPU. J.A.P.-H. implemented the “online” pulse duration metrology line and was in charge of the temporal measurements at high power and managed the laser beam optimization during the experiment. D.d.L. and R.H.M. managed implementation of the device. P.V. worked on CAD. M.E., D.d.L., and R.L. contributed to the conception and design of the study. E.F. performed the analysis and interpretation of the ion spectra. All authors were involved with the underlying experimental work. All authors contributed to manuscript improvement, and read and approved the submitted version.
Michael Ehret: Conceptualization (lead); Data curation (lead); Formal analysis (lead); Funding acquisition (equal); Investigation (lead); Methodology (lead); Project administration (equal); Resources (lead); Software (lead); Supervision (lead); Validation (lead); Visualization (lead); Writing – original draft (lead); Writing – review & editing (lead). Iuliana-Mariana Vladisavlevici: Conceptualization (equal); Data curation (equal); Formal analysis (equal); Investigation (lead); Methodology (equal); Software (equal); Validation (equal); Writing – original draft (equal); Writing – review & editing (equal). Philip Wykeham Bradford: Funding acquisition (equal); Investigation (equal); Methodology (equal); Project administration (equal); Resources (equal); Supervision (equal); Validation (equal); Writing – original draft (equal); Writing – review & editing (equal). Jakub Cikhardt: Funding acquisition (equal); Methodology (equal); Project administration (equal); Resources (equal); Supervision (equal); Validation (equal); Writing – original draft (equal); Writing – review & editing (equal). Evgeny Filippov: Formal analysis (equal); Investigation (equal); Methodology (equal); Visualization (equal); Writing – original draft (equal); Writing – review & editing (equal). Jose Luis Henares: Funding acquisition (equal); Investigation (equal); Project administration (equal); Resources (equal); Writing – review & editing (equal). Rubén Hernández Martín: Investigation (equal); Methodology (equal); Resources (equal). Diego de Luis: Conceptualization (equal); Data curation (equal); Methodology (equal); Resources (equal). José Antonio Pérez-Hernández: Formal analysis (equal); Funding acquisition (equal); Investigation (equal); Project administration (equal); Resources (equal); Writing – review & editing (equal). Pablo Vicente: Visualization (equal). Tomas Burian: Investigation (equal); Methodology (equal); Resources (equal). Enrique García-García: Methodology (equal); Validation (equal); Writing – original draft (equal); Writing – review & editing (equal). Juan Hernández: Methodology (equal). Cruz Mendez: Methodology (equal); Supervision (equal). Marta Olivar Ruíz: Investigation (equal); Methodology (equal). Óscar Varela: Investigation (equal); Methodology (equal). Maria Dolores Rodríguez Frías: Resources (equal); Supervision (equal). João Jorge Santos: Resources (equal); Supervision (equal); Writing – original draft (equal); Writing – review & editing (equal). Giancarlo Gatti: Project administration (equal); Resources (equal); Supervision (equal).
Author Contributions
The raw data and numerical methods that support the findings of this study are available from the corresponding author upon reasonable request.

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