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Portail > Offres > Offre UMR6174-FRACOU-008 - Ingénieur de recherche structuration par laser femtoseconde en régime GHz (H/F)

Ultrafast laser materials processing in the GHz regime

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

Date Limite Candidature : vendredi 10 février 2023

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General information

Reference : UMR6174-FRACOU-008
Nombre de Postes : 1
Workplace : BESANCON
Date of publication : Friday, January 20, 2023
Type of Contract : FTC Technical / Administrative
Contract Period : 6 months
Expected date of employment : 1 March 2023
Proportion of work : Full time
Remuneration : salary is commensurate with experience. Typically gross salary is 2700 euros per month
Desired level of education : PhD
Experience required : Over 10 years


The FEMTO-ST Institute is looking for a motivated and curious post-doctoral fellow to work within the European project kW-flexiburst. The project objective is to develop a breakthrough ultra-short pulse laser technology to enable high precision, more flexible and high-efficiency industrial material processing. The mission of the post-doc in this ambitious project is to study the ablation of materials in different regimes offered by a new concept of ultra-short laser source developed by our partners.
kW-flexiburst (www.kw-flexiburst.eu ) is part of the European Union's H2020 ICT Research and Innovation Program 2018. The project consortium includes 7 European, academic and private partners.
kW-flexiburst is developing a high power ultrafast pulse laser capable of generating pulse trains with arbitrarily adjustable intra-train, inter-train repetition rates, number of pulses and relative intensities while maintaining an average power of 1kW. This technology will be made possible by a completely new laser oscillator design. The performance in terms of laser flexibility will be demonstrated on dedicated industrial applications, requiring high efficiency and high quality laser machining methods. These cover a broad spectrum of applications: micro-structuring of metals, ceramics and other dielectric materials, drilling hard substrates, and cutting transparent materials. Each of them has the potential to bring significant and even breakthrough improvements to these industrial production sectors.
The scientific role of our team, within the FEMTO-ST institute of the CNRS, is the development of new applications in micro- and nano-structuring of materials as well as the investigations of the laser-matter interaction offered by the new regime of pulse sequences at an average power of 15W in several regimes at GHz repetition rate.
Francesc Caballero-Lucas et al. Int. J. Extrem. Manuf. 4 015103 (2022)
G. Bonamis et al J. Laser Appl. 31, 022205 (2019)
Kerse, C et al. Nature 537, 84–88 (2016)


-running experiments using the already-developed setup
-data analysis
-reporting/writing of publications


Skilled experimentalist with knowledge of amplified femtosecond lasers and experience in laser materials processing or laser-matter interaction.
Knowledge of Labview and Matlab is necessary.
An excellent level of English (both oral and written) is mandatory.

Work Context

The postdoctoral fellow will join the OPTO team of the Optics Department of the CNRS FEMTO-ST Institute. The team comprises PhD students, postdocs, engineers and researchers from different backgrounds and countries, offering a rich multicultural environment.
The research will take place in a new science building that provides access to a wide range of basic and technological sciences facilities, including numerous laboratories dedicated to photonics, 1300 m2 of clean room, and high-performance computing. The experimental system has its dedicated workspace.
Besancon is in the East of France, 2 hours 15 minutes from Paris by train and near the foothills of the Jura mountains, close to excellent hiking and mountain bike trails, ski stations and rock-climbing formations. It is consistently rated as having one of the highest qualities of life in France and has a vibrant university atmosphere.
Additional Information
For further information:
kW-flexiburst website:ww.kw-flexiburst.eu

Constraints and risks

Laser hazard. Appropriate safety measures are taken.

Additional Information

for administrative reasons, the application is mandatory via the present portal.
Questions can be raised at francois.courvoisier@femto-st.fr

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