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Scientific Highlights from the Division Large Research Facilities (GFA)

Scientific Highlights

6. November 2023
Figure 1: Degrader from the top when retracted. The wedges, which are moved against each other with copper jaws, are clearly visible.

A more efficient degrader for proton therapy

At PSI’s Center for Proton Therapy (CPT), protons are used to treat cancerous tumours in a highly targeted way that spares healthy tissue as much as possible. This is the result of the characteristic way in which charged particles interact with matter, so that a beam of protons deposits most of its energy at a certain depth in a material depending on the energy and the composition of the material. The dedicated medical cyclotron COMET accelerates protons to an energy of 250 MeV, which then have to be "slowed down" so that the energy matches the depth of the tumour to be treated.

Weiterlesen
22. Juni 2023
Ganter

A metal alloy like a sponge

Research Using Synchrotron Light Large Research Facilities SLS 2.0

Once the vacuum chambers for the SLS 2.0 upgrade are the right shape, they still need a special surface coating.

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15. Juni 2023
René Sieber

A six-metre high oven

Research Using Synchrotron Light Large Research Facilities SLS 2.0

The most complicated vacuum chambers for the SLS 2.0 upgrade are being built in the PSI workshop.

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9. Juni 2023
Werkstücke

500 vacuum chambers for the new ring

Research Using Synchrotron Light Large Research Facilities SLS 2.0

Making the tube through which the electrons will race after the SLS 2.0 upgrade.

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26. Januar 2023
MagDev

CHART MagDev CCT Dipole achieves record field

As one of the first CHART projects, the MagDev activity at PSI designed and built a canted-cosine theta (CCT) demonstrator magnet, wound from Nb3Sn conductor.

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5. Oktober 2022
Magnetic measurements team

Ready for SLS2.0: First magnet series measurement completed

The first magnet series consisting of 112 quadrupole electromagnets for SLS2.0 were measured to high precision using a special home-made rotating coils measurement system. This is an important step forward for the realization of SLS2.0, the upgrade of the Swiss Light Source (SLS) at PSI, and a milestone for the members of the Magnet Section in GFA.

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15. Februar 2022
Reiche, Aeppli and Gerber

Opening the door to X-ray quantum optics

The 'perfect' X-ray beam-splitter: Researchers at SwissFEL have an ingenious solution to produce coherent copies of pulses, facilitating a realm of new X-ray techniques.

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5. Mai 2021
teaser

New record photon pulse energies at SwissFEL

The very large number of coherent photons produced by free-electron lasers is one of the key qualities of such facilities, attracting users from numerous research fields including chemistry, biology and materials science. Recently, the two branches of PSI's free-electron laser SwissFEL each have reached new record pulse energies, packing more photons than ever before into ultrashort X-ray pulses delivered at rates of 100 Hz to the users of both beamlines.

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28. Januar 2021
Next generation transverse deflection structures capable of providing new opportunities for beam diagnostics.

Novel X-band transverse deflection structure with variable polarization

The growing request for sophisticated electron beam manipulation techniques for the optimization of Free Electron Lasers (FELs) or novel acceleration techniques requires enhanced beam control capabilities  and characterization. One of the most important challenge is the development of new diagnostic techniques able to characterize the longitudinal phase space of the beam, including spatial correlation terms, with a resolution in the range of a few tens of fs to sub-fs.

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PSI Scientific Reports

Archive 2006-2012. The Scientific Reports – containing accounts of research topics from all the different areas – provide an impression of the variety of subjects researched at PSI.

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