BESSY II at Helmholtz-Zentrum Berlin (HZB)

Credit: HZB / D. Laubner

The storage ring BESSY II emits extremely brilliant photon pulses ranging from the long wave terahertz region to hard X-rays, with a strong emphasis on VUV and soft X-ray emissions. Users can choose the energy range and the polarisation of the radiation. The 46 beam holes at the undulator, wiggler, and dipole sources offer users a many-faceted mix of beam holes and measuring sites with outstanding energy resolution.

The combination of brilliance and photon pulses makes BESSY II an ideal microscope for space and time, allowing resolutions down to femtoseconds and picometres. The BESSY II photon source offers outstanding capabilities for investigating thin films as well as boundary surfaces. This makes BESSY II perfectly suited for research on energy materials.

• There is one thing that researchers from universities and industry as well as researchers at HZB all agree on: we need a powerful source of soft X-rays in Germany – now and in the future! At HZB there are experts for designing and building a new accelerator source, and many creative scientists onboard, who are making advancements in the development of photon research with the research their fields. The new source BESSY III is planned go into operation in 2030. The aim is to offer worldwide unique experiments that will accelerate the gaining of new insights in many disciplines.

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