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The ESRF is a multinational research institute, situated in Grenoble, France and financed by 19 countries mostly European. It operates a powerful synchrotron X-ray source with some 30 beamlines (instruments) covering a wide range of scientific research in fields such as biology and medicine, chemistry, earth and environmental sciences, materials and surface science, and physics. The ESRF employs about 600 staff and is organized as a French société civile.
The project should therefore help to considerably improve the quality x-ray experiments by implementing adequate control and monitoring of synchrotron x-ray beams. The aim of the project is to develop a strategy and portfolio of detectors for monitoring the fluctuations in beam position and intensity at the highest possible rate, ideally down to the single pulse level. Modern x-ray science is continuously pushing towards smaller beams and shorter pulses. With recent advances in accelerator technology and x-ray optics, nanometer beams can now be realized routinely on several ESRF beamlines. However it remains a challenge to fully exploit these beams since they are difficult to monitor in space and in time.
The student should start by building a beam diagnostics chamber for time resolved experiments on beamline ID09B. The ultimate goal is to record the beam profile, spectrum and pulse-arrival-time for every single x-ray pulses used in laser/pump & x-ray probe experiments. The beam parameters could for example be stored in the header of every single CCD image in the experiment. At a later stage the student should develop a simpler general purpose chamber for all ESRF beamlines. The work should be done in close collaboration with the Experiments, Accelerator, and Instrument Support Divisions.
The working language of the ESRF is English. You should hold a degree in Physics, Electronics Engineering or Computing allowing the enrolment for a PhD study, such as a Masters Degree, Master 2 de Recherche, Laurea or equivalent. For further information on employment terms and conditions, please refer to http://www.esrf.fr/Jobs/Conditions. The ESRF is an equal opportunity employer and encourages applications from disabled persons.
Contract of two years renewable (subject to satisfactory progress) for one year. Monthly gross remuration 2300 €.