Just as PTB was once – thanks to its measuring skills – at the beginning of quantum mechanics, PTB is now driving the second quantum revolution’s wave of metrological possibilities – with the next generations of atomic clocks, even more precise electrical standards and innovative measurement capabilities in medicine.
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PTB-Forschende messen die bisher längste Lebensdauer eines angeregten elektronischen Zustands – wichtig für grundlegende Fragen der Atomphysik.
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Vertrag der Physikalisch-Technischen Bundesanstalt (PTB) mit der Media Broadcast GmbH zum Betrieb der Sendeanlage bis 2031 verlängert.
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The EURAMET Network for Advanced Manufacturing will be coordinated by PTB.
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Applications of "tabletop particle accelerators" for medicine and research brought closer by a new method which was developed by a team from Helmholtz-Zentrum Berlin (HZB) and PTB.
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Deep Learning for Tilted-Wave Interferometry [ more ]
Neuartiges System für empfindliche Phasenrauschmessungen bis in den 100 GHz-Frequenzbereich [ more ]
Neues breitbandiges Leistungsnormal für aktuelle Herausforderungen im Bereich der Elektrizitätsmesstechnik [ more ]
Smart PhoRa project start [ more ]
BMBF funds first quantum communication link in Lower Saxony with 2 million euros [ more ]
A bilateral comparison of NIST and PTB laser power standards for scale realization confidence by gravitational wave observatories [ more ]
Internationaler Workshop der PTB zur On-Wafer-Streuparameter-Messtechnik [ more ]
Geant4-DNA collaboration: Improving the accuracy of radiation transport in tissue-equivalent media [ more ]
Successful cooperation between Department 6.3 and Korea Institute of Fusion Energy [ more ]
Calibrations and irradiations of radiation protection dosemeters according to new recommendation of ICRU (International Commission on Radiological Protection) possible in photon and beta reference radiation fields [ more ]
In Braunschweig and Berlin, time comes from atomic clocks, lengths are measured far into the nano-world, scientists do research on fundamental questions concerning the physical units, and the employees in the laboratories calibrate measuring instruments, meeting the most demanding requirements. Therefore, the Physikalisch-Technische Bundesanstalt is among the top names in metrology worldwide. As Germany's national metrology institute, PTB is Germany's highest authority when it comes to correct and reliable measurements. It is the supreme technical authority of the Federal Ministry for Economic Affairs and Energy (BMWi) and employs a total of approx. 1900 staff members. PTB operates an integrated 
quality management system which covers the four interlinked field of business. (
Self-Declaration on quality management).
