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Physikalisch-Technische Bundesanstalt PTB

Magnusstraße 9, 12489 Berlin
View address on Google Maps
+49 30 3481-0
+49 30 3481-7503
michael.krumrey(at)ptb.de
www.ptb.de
Logo: Physikalisch-Technische Bundesanstalt PTB

Contact

Dr. Michael Krumrey
+49 30 3481-7110
michael.krumrey(at)ptb.de

Contact

Dr. Frank Scholze
+49 30 3481-7120
frank.scholze(at)ptb.de

Focus

Photon radiometry
Application of synchrotron radiation in the UV, EUV, VUV, and X-ray spectral range at the electron storage rings Metrology Light Source (MLS) and BESSY II for basic and applied metrological tasks with main focus on radiometry:

  • Realisation of radiometric units by using the primary source standards MLS and BESSY II as calculable sources of synchrotron radiation according to Schwinger's theory
  • Realisation of spectral responsivity scales in the UV, VUV, EUV, and X-ray ranges by means of cryogenic radiometers as primary detector standards
  • Calibration of radiation sources and detectors from the UV to X-rays
  • Investigation of photon-matter interaction for the development of radiation detectors
  • Characterisation and quality assurance of optical components and assembled systems from the UV to X-rays, in particular for EUV lithography
  • Investigation of nanolayers and nanoparticles applying X-ray reflectometry and Small-Angle X-ray Scattering (SAXS)
  • Photon diagnostics and materials research at X-ray lasers
 

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  • Spectroscopy / Spectrometry
  • Photonics / Optics

News

  • Ageing processes of lithium button cells made visible

    For the first time, scientists were able to observe how the composition of lithium-ion batteries changes during charge cycles
  • Agreement on EUV reflectometry between PTB and ZEISS extended until the end of 2029

    Cooperation strengthens the European technology network
  • UNITE Sciences e. V. officially founded by 19 scientific institutions from Berlin-Brandenburg

    The innovation network aims to promote entrepreneurial talent in the region and accelerate technology transfer
  • Significant energy savings through optimised operation of the Metrology Light Source

    At PTB's Willy Wien Laboratory, 45 kW of electrical power is permanently saved by adjusting the operating parameters
  • Absolute measurement of electronic properties with a THz nanoprobe

    At PTB, a novel calibration approach for scattering-type scanning near-field optical microscopy has been developed
  • Precision made in Berlin

    Physikalisch-Technische Bundesanstalt (PTB), Germany’s national metrology institute, is considered the cradle of quantum physics and tests the limits ...
  • Dynamic measurements in liquids now possible in the laboratory

    Newly developed laboratory spectrometer works with a plasma light source and provides a time resolution of 500 picoseconds
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The development of the Science and Technology Park Berlin Adlershof was and is co-financed by the European Union namely by EFRE. This concerns infrastructure development like construction of technology centres. Furthermore EFRE is used for international projects.

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