Welcome to the Open Access Repository of the Physikalisch-Technische Bundesanstalt (PTB-OAR)

PTB is the national metrology institute of the Federal Republic of Germany.

This database grants free access to a number of documents and factual datasets that were elaborated at PTB. This includes publications such as the "PTB-Mitteilungen", the metrological expert journal of PTB, and numerous of documents from the field of legal metrology.

Please use the search function or the category selection on the right-hand side to find the publications you are looking for.

When downloading the publications, please take the license conditions for further use into account.

All Resources

Metrologie für die Digitalisierung von Wirtschaft und Gesellschaft | 2020 (2020); Eichstädt, Sascha; DOI: 10.7795/120.20210223
Dancing Coin, Investigation of temperature-dependent pressure dynamics in a temporarily open system (2021); Tschan, David Immanuel; DOI: 10.7795/320.202101
Support for standardisation of high voltage testing with composite and combined wave shapes (2020); Meisner, Johann; Gockenbach, Ernst; Saadeddine, Hanane; Havunen, Jussi; Schichler, Uwe; et al. DOI: 10.7795/EMPIR.19NRM07.CA.20210215
Magische Flugbahn, Physikalische Untersuchungen eines Doppelbechers (2021); Hillebrandt, Simon; DOI: 10.7795/320.202004
Die Gummi-Streckbank, Entwicklung, Bau und Test einer Materialprüfanlage für Saalfluggummis (2021); Dormann, Noah; DOI: 10.7795/320.202005
Das Universum dehnt sich aus, Die Erstellung eines Hubble-Diagramms mithilfe der Bestimmung der Durchmesser verschiedener Galaxien (2021); Schweiger, Jonas; DOI: 10.7795/320.202006
Unerwünschte Partikel im Waschwasser, Analyse von Mikroplastikpartikeln im Abwasser einer Waschmaschine (2021); Wyser, Lara; Meyer, Cedric; DOI: 10.7795/320.202007
Additional data for the publication "Optical frequency ratio of a 171Yb+ single-ion clock and a 87Sr lattice clock" (2021); Dörscher, Sören; Huntemann, Nils; Schwarz, Roman; Lange, Richard; Benkler, Erik; et al. DOI: 10.7795/720.20210126
Progressing optical gas standard concepts (2021); Qu, Zhechao; Benoy, Thomas; Nwaboh, Javis; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122A
Laser spectrometric AMC detection - methods, uncertainties, metrological traceability (2021); Qu, Zhechao; Benoy, Thomas; Nwaboh, Javis; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122B
Progressing dTDLAS based HCl Optical Gas Standards - towards meeting type approval requirements of EN 15267 4 (2021); Qu, Zhechao; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122C
Kalibrierung von Druckmessgeräten : Richtlinie DKD-R 6-1, Revision 3 (2020); Mitglieder des Fachausschusses Druck und Vakuum des DKD; DOI: 10.7795/550.20201221
Additional data for the publication "Coherent Suppression of Tensor Frequency Shifts through Magnetic Field Rotation" (2020); Lange, Robert; Huntemann, Nils; Sanner, Christian; Shao, Hu; Lipphardt, Burghard; et al. DOI: 10.7795/710.20201222
Quantum Logic Spectroscopy of Highly Charged Ions (2020); Micke, Peter; DOI: 10.7795/110.20201222
Dataset for the publication "Coherent Excitation of the Highly Forbidden Electric Octupole Transition in 172Yb+" (2020); Fürst, Henning; Yeh, Chih-Han; Kalincev, Dimitri; Kulosa, André; Dreissen, Laura; et al. DOI: 10.7795/720.20201221