Atto Second Physics

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Research Groups

Prof. Dr. Ulf Kleineberg

teaser_kleinebergUlf Kleineberg and his team work on combining nanometre-resolution spatial imaging with femto-/atto-second temporal resolution by implementing photoemission electron microscopy (PEEM) with ultrashort XUV pulses5.

For more information please visit the team's website.

Prof. Dr. Stefan Karsch

teaser_karschStefan Karsch, Zsuzsanna Major and their team develop the next generation of few-cycle laser sources with multi-terawatt peak powers at kHz and petawatt-scale powers at few-Hz repetition rates , which affords promise for the generation of attosecond kiloelectronvolt X-ray pulses for time-resolved X-ray diffraction with attosecond-picometre resolution.

For more information please visit the team's website on

Prof. Dr. Matthias Kling

teaser_klingMatthias Kling and his team pursue the development of a MHz-rate attosecond XUV source. They aim at reaching isolated attosecond pulses at high repetition rate, which can be utilized in nano-photonic and nano-plasmonic applications.

For more information please visit the team's website on

Dr. Alexander Apolonskiy

teaser_apolonskiyAlexander Apolonskiy, Ioachim Pupeza and their team work on scaling MHz-rate femtosecond-pulse sources towards hundreds-of-watts (extracavity) to hundreds-of-kilowatts (intracavity) average power levels4 as a driver for atto-/femto-second sources for the applications listed on

Dr. Peter Baum

teaser_baumPeter Baum and his team work on visualizing the ultrafast motion of atoms and charge densities by using electron diffraction. They are developing concepts, the successful implementation of which may push the frontiers of time-resolved electron diffraction into the few-femtosecond to sub-femtosecond regime.

For more information please visit the team's website.

Dr. Vladimir Pervak

teaser_pervakVladimir Pervak and his team work on dispersive mirrors development. Specially developed optics components (mirrors, beam splitters, spectral filters, polarizers, chirped mirrors, dispersive mirrors) serve as key components in ultrafast laser experiments for few-cycle femtosecond laser pulses. Researchers are targeting to expand bandwidth, enhance damage threshold, reduce losses and increase dispersion in future.

For more information please visit