2019

CFEL scientist Dongfang Zhang has been awarded the new Prize for Frontiers of Information Optoelectronics at the International Photonics and Optoelectronics Meeting POEM in Wuhan, China. For the development of the “Segmented Terahertz Electron Accelerator and Manipulator” STEAM, the team of CFEL/DESY scientist Dongfang Zhang has been awarded the new Prize for Frontiers of ...

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Yi-Jen Chen from the DESY Photon Science CFEL Theroy group, has been awarded the Helmholtz Association's Doctoral Prize in the research area Matter for her outstanding doctoral thesis in the ... “Based on my experience in working with Yi-Jen Chen, I expected that her doctoral thesis would be very good,” emphasized Robin Santra, Lead Scientist at CFEL/DESY Professor of Physics at the ...

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CFEL group leader Francesca Calegari was elected as a Fellow Member to the

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An international research team has observed in real time how football molecules made of carbon atoms burst in the beam of an X-ray laser. The study shows the temporal course of the bursting process, ... The researchers had experimented with buckminster fullerenes, or buckyballs for short. These spherical molecules consist of 60 carbon atoms arranged in alternating pentagons and hexagons like the ...

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Researchers from the Department of Atomically Resolved Dynamics of the Max Planck institute for the Structure and Dynamics of Matter (MPSD) at CFEL, the University of Hamburg and the European ... The functions of biomolecules are determined by their motions and structural changes. Yet it remains a formidable challenge to understand these dynamic motions. One method that illuminates ...

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Researchers from the Department of Atomically Resolved Dynamics of the MPSD (Max Planck Institute for the Structure and Dynamics of Matter) at CFEL and the University of Toronto (Canada) have pieced ... All life is dynamic and so are its molecular building blocks. The motions and structural changes of biomolecules are fundamental to their functions. However, understanding these dynamic motions at a ...

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The Volkswagen Foundation has awarded Daria Gorelova from the DESY Photon Science division a Freigeist Fellowship. At CFEL, Daria Gorelova is currently working on ultrafast processes in solids and ... Funding from the Volkswagen Foundation will enable Daria Gorelova to set up a junior research group at the University of Hamburg. In her future research, she would like to investigate microscopic ...

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Scientists have for the first time induced superfluorescence in the extreme ultraviolet range. Superfluorescence, or superradiance, could be used to build a laser that does not require an optical ... “The phenomenon of superfluorescence was first discovered in the microwave range in the 1970s, and then demonstrated for infrared and optical wavelengths too,” explains Rohringer. ...

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In recent decades, enormous research efforts have been expended on the exploration and explanation of high-temperature (high-Tc) superconductors, a class of materials exhibiting zero resistance at ... Finding a material which superconducts at room temperature would lead to a technological revolution, alleviate the energy crisis (as nowadays most energy is lost on the way from generation to usage) ...

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Scientists have used precisely tuned pulses of laser light to film the ultrafast rotation of a molecule. The resulting “molecular movie” tracks one and a half revolutions of carbonyl ... “Molecular physics has long dreamed of capturing the ultrafast motion of atoms during dynamic processes on film,” explains Küpper, who is also a professor at the University of Hamburg. ...

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Scientists at DESY have achieved a new world record for an experimental type of miniature particle accelerator: For the first time, a terahertz powered accelerator more than doubled the energy of the ... “This result represents a critical step forward for the practical implementation of terahertz-powered accelerators,” emphasized Franz Kärtner, who heads the ultrafast optics and X-rays ...

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CFEL scientists from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) used terahertz frequency light pulses to transform a non-ferroelectric material into a ferroelectric one. ... Complex materials are special because their unusual macroscopic properties are determined by many competing tendencies. Unlike in more conventional compounds, such as the silicon crystals that make ...

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A team of CFEL scientists has achieved an important milestone in the quest for a new type of compact particle accelerator. Using ultra-powerful pulses of laser light, they were able to produce ... The terahertz range of electromagnetic radiation lies between the infrared and microwave frequencies. Air travellers may be familiar with terahertz radiation from the full-body scanners used by ...

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The CFEL management board is very sad to have to announce that our friend and colleague Wilfried Wurth passed away suddenly during a business trip to Sweden on the night from Wednesday to ... Wilfried Wurth has not only been at CFEL since its beginning, he was a driving force to get CFEL going: the partnership between the City of Hamburg, DESY, the Max Planck Society, and University of ...

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A research cooperation between the University of Hamburg and DESY has developed a process suitable for 3D printing that can be used to produce transparent and mechanically flexible electronic ... “The aim of this study was to functionalize 3D-printable polymers for different applications,” reports Michael Rübhausen from CFEL. “With our novel approach, we want to integrate ...

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Researchers at CFEL at DESY in Hamburg have generated a 1.9-femtosecond ultraviolet laser light pulse - setting a record for ultraviolet (UV) laser pulses with the shortest duration. The experiments, ... The 1.9-femtosecond pulse (1 femtosecond is a millionth of a billionth of a second) has been generated in the laboratory of Prof. Francesca Calegari, leading scientist at DESY and head of the ...

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Scientists at CFEL create high-order harmonics from solids with controlled polarization states, taking advantage of both crystal symmetry and attosecond electronic dynamics. The newly demonstrated ... The present work investigates the prototype materials silicon and quartz to establish the new spectroscopic technique. Yet the method is versatile and expected to find important applications in ...

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Researchers from the Theory Department of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at CFEL and UNIST (Ulsan National Institute of Science and ... On the other hand, the objectivity and indispensability of mathematical knowledge have been debated ever since Plato and Aristotle. Similarly, questions regarding the role of mathematics in the study ...

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Hamburg scientists’ theory of polaritonically amplified energy transfer over long distances between molecules paves the way for a new level of chemical engineering and ‘spooky ... In contrast to our loss of imagination, the subject of Michael Ende’s famous ‘Never-ending story’, nothing is never truly nothing in physics. Where the novel evocatively describes ...

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The fascinating concept of holography can be used to characterize extremely short light pulses. This novel approach is demonstrated by a research team of scientists from the Weizmann Institute of ... The shortest light pulses generated so far have time durations in the order of a few tens of attoseconds. An attosecond is a billionth of a billionth of a second or 0,000 000 000 000 000 001 seconds ...

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A new independent Max Planck Research Group has taken up its work at the MPSD located at CFEL. The Computational Nanoscale Imaging group, led by Kartik Ayyer, will focus on developing new methods to ... The group will develop new image reconstruction algorithms and apply them to experimental data with the scientific goal of determining the objects’ structures as well as understanding their ...

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