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A photostory at the end of this text reports about a special workshop at BESSY II. It was mid of november, in the night from sunday to monday, when a couple of accelerator scientists from MAX IV, BESSY II, CERN, KARA at KIT and DELTA from TU Dortmund gathered in the control room of BESSY II. They wanted to explore the so called two orbit or TRIBS modus in which one synchrotron could deliver two different sorts of light pulses. But let’s start with a short introduction: A Synchrotron Lightsource is a wonderful toolbox for doing research: it produces brilliant light pulses mostly in theRead More →

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In: BESSYBeamlineScientists, Careers, Energymaterials, Lightsources

It is a Russian-German dipole beamline, part of the Russian-German Laboratory at BESSY II. It covers a soft X-ray photon energy range up to 1200 eV. It ends with a fixed experimental station RGL-PES that offers a multi-technique approach for the investigation of the electronic, chemical and structural properties of materials: X-ray photoemission spectroscopy and X-ray absorption in all possible modes (fluorescence yield, total and partial electron yields).Read More →

Vera Adamchuk, portrayed by Natalia Bakut

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In: BESSYBeamlineScientists, Energymaterials, International, Lightsources

An Artwork reminds on the scientist who cofounded the Russian German Collaboration at BESSY II It seems, she has just calculated something, a hand lies on the paper, next to the pen. The other one supports the chin, relaxed and curious, she looks at the viewer. The Russian physicist Vera Adamchuk is immortalized in the bronze relief attached to a column in the BESSY II hall. The column stands in front of the dipole beam line of the Russian-German laboratory. Vera Adamchuk is regarded as a pioneer of German-Russian cooperation in the field of synchrotron radiation. She co-founded the Russian-German laboratory at BESSY II inRead More →

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The beamline is called PM4. As a dipole beamline, it provides a moderate photon flux over a wide range of photon energies, in our case in the vacuum ultraviolet/soft X-ray regime. It serves the fixed end-station called LowDosePES. As the name suggests, its specialty is photoemission spectroscopy (PES) at low X-ray dose. Read More →

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In: Energymaterials, Lightsources, Summerstudents

A synchrotron light source is a source of electromagnetic radiation produced by a storage ring, for scientific and technical purposes. The major applications of synchrotron light are in condensed matter physics, materials science, biology and medicine. Metrology Light Source(MLS) is a minor light source near BESSY II. It like a small replica of BESSY. Accelerator and us, just like patient and doctors. We need a stethoscope to know the situation of the patient. My work here is to develop a tool to monitor and adjust the chromacity of this storage ring. The chromacity here is not for the synchrotron light, it is a parameter toRead More →

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In: BESSYBeamlineScientists, Careers, Lightsources

At the end of the 90s, a consortium of several German research institutions proposed a multi-purpose infrared beamline for the new electron storage ring BESSY II under the acronym IRIS (InfraRotInitiative Synchrotronstrahlung). Funded by two proposals to the BMBF the beamline started operating in 2002 as a Cooperative Research Groupe (CRG) beamline and turned into a BESSY-operated beamline in 2004 at the end of the BMBF funding period.Read More →

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In: BESSYBeamlineScientists, Careers, Lightsources

I work at the EMIL beamline which is a very complex system. It provides light for the EMIL laboratory (Energy Materials In-situ Laboratory Berlin) by combining two undulators: UE48 for the soft X-ray range and cryo-cooled U17 for the hard X-ray range. It delivers an energy range from 80 eV to 10000 eV to five end-stations. It has ten mirror chambers to guide the light and three monochromators to select the required energies, and it has a length of 62 m while only 1 m width.Read More →

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Chemist Manfred Weiss manages the MX beamlines at BESSY II in Berlin-Adlershof, Germany. Here, researchers and pharmaceutical companies study the structure of crystalline molecules and discover triggers of disease – mostly in the search for new medicines. He still clearly remembers the call that came in at 4 a.m.: Manfred Weiss was the scientist on standby in case of problems, and on the other end of line were the scientists currently experimenting at one of his beamlines. “We’re finished. Everything went well, thank you,” they informed the sleepy chemist. This was a few years ago and it still makes Weiss smile to think back toRead More →