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Portail > Offres > Offre UMR5107-SOPHEU0-036 - H/F Post-Doc "Optimisation théorique des sources d'ions produites par interaction laser plasma avec des impulsions laser ultra courtes et ultra intenses"

M/F Post-Doc "Theoretical optimization of ion sources produced by laser plasma interaction using ultra-short and ultra-intense laser pulses "

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

Date Limite Candidature : jeudi 4 novembre 2021

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General information

Reference : UMR5107-SOPHEU0-036
Workplace : TALENCE
Date of publication : Thursday, October 14, 2021
Type of Contract : FTC Scientist
Contract Period : 4 months
Expected date of employment : 1 December 2021
Proportion of work : Full time
Remuneration : Between 2 663 € and 3 783 € gross per month depending on experience
Desired level of education : PhD
Experience required : Indifferent

Missions

Laser ion acceleration is an attractive way to realize compact and intense ion sources for many promising applications, including proton therapy, proton radiography and inertial confinement fusion. Potential developments depend on the ability of laser installations to deliver reproducible ion beams at high repetition rate. In this context, the use of ultra-short and ultra-intense laser pulses with wavelengths in the EUVX range is a promising avenue. Through numerical simulations with the SMILEI Particle In Cell (PIC) code, the postdoc will begin to analyze and optimize the physical processes of ion acceleration in the interaction of an ultra-short and ultra-intense laser pulse with a solid target. The first PIC simulations will be carried out in 1D and 2D plane geometries. On the basis of these simulations, the design of a future experiment could be proposed.

Activities

The role of the postdoc will be to analytically and numerically model the production of collimated energetic ion sources. To this end, the postdoc will have to perform PIC simulations, using the numerical codes available at CELIA. He / she will be in charge of the choice of the targets to be studied, and of obtaining scaling laws allowing to predict the characteristics of the energetic ions produced according to the parameters of the laser pulses used, and to the target parameters. He / she will also have to develop codes or scripts dedicated to the optimization of numerical diagnostics.

Skills

• Hold a doctorate or equivalent level of skills and experience in the scientific field of plasma physics (essential).
• Have a solid training in plasma physics, giving evidence of the ability to conduct original research and produce scientific papers (essential).
• Experience in the use and interpretation of plasma simulations (PIC, hydro-radiative, MHD) (essential).
• Experience in developing plasma simulation codes (PIC, hydro-radiative, MHD) (desirable).
• Experience in performing laboratory experiments with plasmas (desirable).
• Experience in the design and development of targets for laser-plasma experiments (desirable).

Work Context

This position will require a lot of teamwork and interdisciplinary research. The postdoc will interact on a daily basis with other researchers at CELIA (experimentalists, theoreticians and numerical physicists), as well as with external collaborators. The postdoc is expected to participate in the production of independent and original research, to deliver articles for publication in peer-reviewed journals and to participate in the animation of the research group.

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