Wübbeler, Gerd https://orcid.org/0000-0002-6871-8903
Schmähling, Franko https://orcid.org/0000-0001-5081-2742
Marschall, Manuel https://orcid.org/0000-0003-0648-1936
Elster, Clemens
Funding for this research was provided by:
Physikalisch-Technische Bundesanstalt (PTB)
Article History
Received: 31 July 2024
Accepted: 4 October 2025
First Online: 24 December 2025