Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy
 
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Magnesium ions slow down water dynamics on short length scales  
Excerpt of the Graphic: Structural representation of Mg2+- SO42- ion pairs in aqueous solution. The presence of ions affects the structure and dynamics of water on a multitude of length and time scales. New results from ultrafast spectroscopy and theoretical analyses show that the water…  
Watching the fate of molecular nitrogen with X-rays, when an electron has been kicked out  
Graphic: Level scheme showing the electronic X, A and B states The observation of lasing in the forward direction in air upon focusing intense femtosecond light pulses has been a puzzling phenomenon since first observations have been reported about two decades…  
How far can a proton make its presence felt when embedded in water?  
Graphic: Proton Hydration Proton hydration, i.e. the involvement of a certain number of water molecules in solvating an excess proton, has been an intensively investigated research topic. It plays a pivotal role in the…  
Professor Howard R. Reiss passed away at the age of 93  
On August 25, 2022, Professor Howard R. Reiss passed away at the age of 93. For the past 18 years, Prof. Reiss has worked at the MBI, which had become his scientific base. His scientific…  
Magnetic skyrmions – ready for take-off?  
Teaser for Magnetic skyrmions Magnetic skyrmions are extremely small and stable swirls of magnetization, often referred to as ‘topological quasi-particles’ since an emerging stability embraces this spin ensemble. As such,…  
Electrons in alcohol – concerted molecule and charge motions at terahertz frequencies  
Excerpt of Graphic: Chemical structures of ethylene glycol (EG), isopropyl alcohol (IPA), and water (left), together with a sketch of an electron solvated in water (right). Light-induced ionization of polar liquids such as alcohols generates free electrons. After generation, an electron localizes on an ultrafast time scale, forming a so-called solvated electron…  
Following ultrafast magnetization dynamics in depth  
Teaser of Following ultrafast magnetization dynamics in depth The future development of functional magnetic devices based on ultrafast optical manipulation of spins requires an understanding of the depth-dependent spin dynamics across the interfaces of complex…  
All-optical switching on a nanometer scale  
Teaser of All-optical switching on a nanometer scale Ultrafast light-driven control of magnetization on the nanometer length scale is key to achieve competitive bit sizes in next generation data storage technology. Researchers at Max Born Institute in…  
All-attosecond pump-probe spectroscopy  
Graphic: Two intense attosecond pulse trains (white) interact with an atom, resulting in the emission of three electrons (yellow). During this process four photons (blue) are absorbed. An international team of researchers from the Max Born Institute in Berlin, University College London and ELI-ALPS in Szeged, Hungary, has demonstrated attosecond-pump attosecond-probe spectroscopy…  
Mixing laser- and x-ray-beams  
image montage: Two light beams from flashlights will not be influenced by each other when they cross. Unlike fictional laser swords, real laser beams do not interact with each other when they cross – unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In…