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BESSY VSR

The long way of undulators: 70 years old and still up-to-date

2018-09-27
By: Guestpost
On: 2018-09-27
In: Lightsources

by Jonas Böhm The last finishing touches are being made to the cryogenic undulator CPMU-17 before it will be installed in the BESSY II storage ring next week. A good moment to look back. The long way of undulators: 70 years old and still up-to-date Home of the first undulator was Stanford. Its linear accelerator (you can see its tunnel in the image) is claimed to be “the world’s most straight object”. In 1952, the Austrian scientist Hans Motz and his team conducted the first experiment, in which a 100-Mev electron beam from the Stanford linear accelerator passed through the undulator. Light radiated by the beam wasRead More →

What is an Undulator?

2018-09-19
By: Guestpost
On: 2018-09-19
In: Lightsources

by Katharina Kolatzki With the new cryogenic undulator CPMU-17 being installed into the BESSY II storage ring, I thought it a good moment to get everyone who may not be that familiar with this essential part of the synchrotron up to speed. What is an Undulator? By now, you might have noticed that undulators are pretty cool things (even the room temperature devices) that are an essential part of synchrotron sources such as BESSY II. In order to understand a little bit more about them, here is a brief introduction to undulators. Synchrotron sources provide especially brilliant light that can be used to examine aRead More →

A shutdown in the name of BESSY VSR

2018-07-26
By: Silvia Zerbe
On: 2018-07-26
In: Lightsources

For years, the researchers at HZB have been working intensively on upgrading the electron storage ring into a variable pulse length storage ring (BESSY VSR). Now things are becoming concrete: On 30 July BESSY II is switched off for ten weeks. Then the first modifications in the experiment hall are due to be carried out in order to realize BESSY VSR. “We have four or five very tough but also very exciting years ahead of us,” project manager Andreas Jankowiak said upon BESSY VSR’s approval in June 2017. With these words, he hinted at the mountain of work the various teams at HZB are nowRead More →

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