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Lund University was founded in 1666 and is repeatedly ranked among the world’s top universities. The University has around 47 000 students and more than 8 800 staff based in Lund, Helsingborg and Malmö. We are united in our efforts to understand, explain and improve our world and the human condition.
Lund University welcomes applicants with diverse backgrounds and experiences. We regard gender equality and diversity as a strength and an asset.
We are looking for a Post Doc to the SXL project
The Wallenberg foundation, Lunds University (LU), The Royal institute of technology (KTH), Stockholm University (SU), Uppsala University (UU) and MAX IV Laboratory have jointly committed to fund a conceptual design report for a Soft X-Ray Free Electron Laser (SXL), to be driven by the MAX IV 3 GeV LINAC. With a total cost of 30 MSEK, the CDR project was officially started on March 2018 and has a duration of three years. The CDR will require both design work and extensive simulations as well as practical work involving development and commissioning of diagnostics, measurements and characterisation of the electron bunch.
The MAX IV bunch compressors are designed to give a positive R56 and therefore use the positive RF slope to create the energy chirp. This lets us use the natural T566 in the compressor for linearization of longitudinal phase space. This technique is stable and cost effective compared to compressing and linearising in a chicane and harmonic cavity. It also leads to a different bunch shape that brings both benefits and challenges for an FEL.
Within the SXL CDR project, the linac needs further theoretical studies and simulations to optimize pulses both longitudinally and transversally. Chromatic effects and CSR beam degradation need to be minimized and the resulting re-design implemented in start-2-end simulations for the SXL. This work is the most important part of the announced post-doc position.
On top of theoretical work for the CDR, practical characterization and optimisation of the existing electron beam to suit driving a Soft X-ray Laser is in progress. To access the longitudinal phase space and slice parameters of the electron beam, and fully characterize the bunch compression scheme, a transverse deflecting cavity (TDC) setup is being designed and built at MAX IV. Participation in the commissioning of the TDC is another part of the tasks for the announced post-doc position.
Job description
Required qualifications
Additional and meriting qualifications
Appointment to a post-doctoral position requires that the doctoral degree or equivalent is completed no more than three years before the last date for applications. Under special circumstances, the doctoral degree can have been completed earlier. For candidates with longer experience, appointment will be as a temporary scientist.
This is a two year temporary employment.
Type of employment | Temporary position |
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Contract type | Full time |
First day of employment | As agreed |
Salary | Monthly salary |
Number of positions | 1 |
Full-time equivalent | 100 |
City | Lund |
County | Skåne län |
Country | Sweden |
Reference number | PA2019/2478 |
Contact |
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Union representative |
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Published | 22.Aug.2019 |
Last application date | 29.Sep.2019 11:59 PM CEST |