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Portail > Offres > Offre UMR5797-JERBAU-038 - CDD chercheur dans le domaine de l'accélération laser plasma (H/F)

Post-doctoral position in experimental Laser Plasma Acceleration Physics (H/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mercredi 17 mars 2021

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General information

Reference : UMR5797-JERBAU-038
Workplace : GRADIGNAN
Date of publication : Wednesday, February 03, 2021
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 September 2021
Proportion of work : Full time
Remuneration : 2650 - 3050 euros bruts
Desired level of education : PhD
Experience required : 1 to 4 years


Laser-plasma acceleration has attracted considerable interest over the last decade due to the outstanding brevity and peak intensity of the particle bunches it offers. New large laser facilities (Apollon, ELI, VEGA3, etc..) are providing now PW laser pulses at high repetition rate (up to 1 Hz). These high repetition rates are mandatory to unlock some applications of laser accelerated particle beams (radioisotope production, medical imaging, etc.). They also open new perspectives for the investigation of nuclear processes which are out of reach of present accelerator facilities such as key nuclear reaction studies in astrophysical plasma conditions[1,2].
Two major issues for laser plasma acceleration studies at high repetition rates concern the interaction targets and the detectors. Up to now solid targets convenient at the cadence of former high power laser generations (1 shot/hour) were used to accelerate ions. Debris generation with such targets is a major problem at high repetition rates. The second issue concerns the high background generated by the electromagnetic pulse (EMP) and the X-ray flash during a laser shot, prohibiting the use of standard real time particle detectors.


The project aims at developing real time innovative methods to characterize “on shot” ions accelerated in laser plasma interactions at high repetition rate and optimized targets for these interactions. Cryogenic, liquid and gaseous targets are being investigated worldwild. Our group is exploring a solution based on high density gas jet targets [https://doi.org/10.1063/1.5116337].
The candidate will pursue the main experimental realizations of the project. Specific tasks will include:
- Follow up of the development of a new dedicated real time proton detector for thomson parabola, with access to simulation tools (e.g. GEANT4).
- Contribution to numerical laser-plasma interaction simulations (PIC code SMILEI).
- Design and participation to the commissioning and first benchmarking experiments on high repetition rate laser facilities, with the possibility to test designed targets and spectrometers.


PhD degree or a postdoctoral experience in Laser Plasma Acceleration, Plasma and or Nuclear physics.
Experience in coding and numerical simulations, optical diagnostics and instrumentation are necessary. Knowledge of French language is not mandatory.

Work Context

Experiments with up to one month duration will take place at national and international high power and high intensity laser facilities (LULI Palaiseau, GSI Darmstadt, CLPU Salamanca…)

Constraints and risks

regular CENBG hours

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