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Metrology with Synchrotron Radiation

The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute and the highest authority when it comes to correct and reliable measurements in Germany. Since 1982, PTB has also been using synchrotron radiation for metrological tasks. The more than 75 employees of the departments 7.1 Radiometry with Synchrotron Radiation and 7.2 X-ray Metrology with Synchrotron Radiation maintain and use for this purpose a Laboratory at the storage ring BESSY II of the Opens external link in new windowHelmholtz-Zentrum Berlin (HZB) as well as PTB's own Metrology Light Source (MLS) in Berlin-Adlershof.

The main focus of the work is on the following areas:

  •  Fundamentals of metrology, radiometry
  •  Metrology for industry, EUV lithography
  •  Research and development for optical technologies, space instruments
  •  Materials metrology, nanometrology


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Innovative materials based on nanoscale and submicrometre particles are playing an increasingly important role in the development of new products across many fields. Applications range from battery electrodes to nanomedicine to quantum dots, which recently gained attention through the Nobel Prize in Chemistry 2023 which was awarded for their discovery and synthesis...

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Metrology, fundamental research and applications in the spectral range of the extreme ultraviolet (EUV) and vacuum ultraviolet (VUV): For 40 years, PTB has been conducting research and measurements using synchrotron radiation as part of collaborations and services for science and industry. For the seventh time, PTB organised a workshop from 13 to 15 November 2023 under the umbrella of the...

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A new beamline for radiometry in the vacuum ultraviolet spectral range (VUVR) was successfully commissioned at the Metrology Light Source (MLS). By quickly redirecting the radiation to three different measuring stations, the availability for different measuring tasks is significantly increased...

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