Congratulations Dr. Olsson, our newest MAX IV PhD

Teresia Olsson defended her thesis this week titled “Timing Modes for the MAX IV Storage Rings”. The defense took place at MAX IV Laboratory, led by her opponent Dr. Atoosa Meseck from Institute Accelerator Physics at the Helmholtz Zentrum in Berlin.

At the beginning of her Ph.D. studies, Teresia was given the task to study possibilities to serve users who want to do experiments that rely on the time structure of the light emitted from the MAX IV storage rings. These users want lower repetition rates of the emitted light than is provided by the normal operation of the rings. This is commonly provided today at other rings by modifying the pattern of the electron bunches in the ring, but unfortunately, this is not favorable for the performance of the MAX IV rings. Also, many storage rings have to accommodate users that want different repetition rates of the light at the same time.

Teresia studied the possibilities to avoid modifying the pattern of the electron bunches and instead change how different beamlines see the bunches. By increasing the size of one bunch or kicking one bunch onto another orbit in the ring it is possible for one beamline to see light emitted from a single bunch while other beamlines see light emitted from all of the bunches.

Congratulations Teresia on an impressive and well-defended thesis.

Teresia’s Ph.D. thesis is available online and was supervised by Sverker Werin, along with Simon Leemann and Åke Andersson.

More details about the project with timing modes at the MAX IV storage ring can also be found online. []