The next project meeting (M18) will take place at ELI Beamlines, Czech Republic, on March 11th-12th 2021. At the moment an in-person event is considered. Nevertheless, depending on the evolution of the covid-19 pandemic, this will likely be changed to an on-line meeting. A final decision will be taken early enough to give the participants time to make travel arrangements if necessary.

The first UHDpulse workshop for stakeholders is preliminary planned for September 2021. It will be held in connection with the 3rd FLASH workshop and the workshop for the INSPIRE project.


This project has received funding from the EMPIR programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.

EURAMET website of the Project is here.

Project summary

UHDpulse – Metrology for advanced radiotherapy using particle beams with ultra-high pulse dose rates is a joint research project within the European Metrology Programme for Innovation and Research (EMPIR). The project began on 1 September 2019 and will run for three years, finishing on 31 August 2022. The overall goal of the project is to provide the metrological tools needed to establish traceability in absorbed dose measurements of particle beams with ultra-high pulse dose rates (UHPDR), i.e. with ultra-high dose per pulse or with ultrashort pulse duration. The project is coordinated by the National Metrology Institute of Germany, PTB.

Download Publishable SummaryAdobe Acrobat file of the project.

The specific objectives are:

  1. To develop a metrological framework, including SI-traceable primary and secondary reference standards and validated reference methods for dosimetry measurements for particle beams with ultra-high pulse dose rates.
  2. To characterise the response of available detector systems in particle beams with ultra-high dose per pulse or with ultrashort pulse duration.
  3. To develop traceable and validated methods for relative dosimetry and for the characterisation of stray radiation outside the primary pulsed particle beams.
  4. Using the results from objectives 1-3, to provide the input data for Codes of Practice for absolute dose measurements in particle beams with ultra-high pulse dose rates.
  5. To facilitate the uptake of the project’s achievements by the measurement supply chain, standards developing organisations (e.g. those associated with International Atomic Energy Agency (IAEA) and International Commission on Radiation Units (ICRU) reports) and end users (clinical and academic laboratories, hospitals and radiotherapy manufacturers).

The workpackage description is provided here and the project background is described here.

More detailed results from reports internal to the project may be made available to individual enquirers.