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Portal > Offres > Offre UMR7341-DAVGRO-004 - Chercheur postdoctoral : modifications de matériaux par laser en régimes ultra-brefs (H/F)

Post-doctoral researcher : laser material modifications in ultrafast regimes

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

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General information

Reference : UMR7341-DAVGRO-004
Workplace : MARSEILLE 09
Date of publication : Tuesday, January 14, 2020
Type of Contract : FTC Scientist
Contract Period : 6 months
Expected date of employment : 1 March 2020
Proportion of work : Full time
Remuneration : from 2695 to 3840 euros/month (gross) depending on experience
Desired level of education : PhD
Experience required : Indifferent

Missions

The postdoctoral researcher will work within the framework of the ERC project “EXSEED: Extreme Light Seeded Control of Ultrafast Laser Material Modifications”. The main objective of this project is to exceed the intrinsic limits of ultrafast laser material processing by developing novel seeded-control technologies with new-wavelengths. As an example of the application of the proposed concept, seed free carriers can be injected into materials from a secondary source and then avalanched with perfectly synchronized infrared pulses to extract all potential benefits from modest energy new types of radiation. The expected nonlinear processes with this approach open new and exciting opportunities to tailor material properties with nanometer-scale spatial resolutions and in the three dimensions (3D) inside materials hard to modifiy in the bulk (e.g. semiconductors).
The recruited postdoctoral fellow will be responsible for designing an experiment using ultra-short pulses (sub-15fs) to study and control the deposition of energy in materials. The conceptsthat will be explored requires researches on the physics of strong field ionization response of solids and its spectral dependence. They also need strict control of few-optical-cycles pulses in the context of modifications of solid materials, manipulations with a large spectral band of the beams and new technologies for the diagnostics of interactions which will be developed within the framework of the postdoctoral research mission.

Activities

The researcher will be in charge of experiments exploiting femtosecond UV pulses and/or few-optical cycle pulses. He or she shall contribute to activities such as
-study of resolution and determinism in ultrafast laser material modifications,
- analysis and/or modeling of the interactions and material responses
- performance optimization of laser writing technologies,
- participation in the implementation of new optical diagnostics,
- publication of one or more articles on the analyses of the data collected during the project.

Skills

We are looking for a highly motivated and independent scientist interested in laser science and technologies, ultrafast optics and/or material processing. Applicants should have demonstrated expertise in laser matter-interaction, strong-field optics or photon-based materials science. An ideal profile will be experienced on the topics of laser processing (or damage) and experimental developments using sub-15fs pulses. Excellent spoken and written English is mandatory.

Work Context

Located in the Luminy Campus in Marseille, the Lasers, Plasmas and Photonic Processes (LP3) laboratory was founded in 2000. It is a Joint Research Unit (UMR 7341) of CNRS and Aix-Marseille University (AMU). The research of LP3 laboratory is focused on laser matter interaction in short and ultrashort temporal regimes. Studies address fundamental mechanisms induced when a pulsed laser beam interacts with matter, in order to manage the physical phenomena that control the effects of the interaction and then to develop innovative photonic processes.

Constraints and risks

Short periods of travel within France and abroad should be expected

Additional Information

Renewal possibility at the end of the contract.

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