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PTB und SARS-CoV-2

The “restricted operational status” will take effect at both Berlin sites of PTB (Charlottenburg and Adlershof) on Monday, 23 March. For the Braunschweig site of PTB, the crisis management team is making decisions daily on what steps are to be taken.
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Measures taken by PTB to combat the spread of SARS-CoV-2

Because the coronavirus (SARS-CoV-2) is continuing to spread unabated, the Physikalisch-Technische Bundesanstalt (PTB) is adopting even more comprehensive measures. The crisis management team of PTB has decided to reduce operations at its Berlin sites to a minimum. This “restricted operational...

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Fotonachweis: © Wikimedia Commons / CC BY-SA 4.0

PTB and the coronavirus, SARS-CoV-2

The coronavirus has, of course, also affected the Physikalisch-Technische Bundesanstalt (PTB) with its sites in Braunschweig and Berlin. The virus has currently (as of 17 March 2020) only been detected in a few people who had been on holiday. Those people went straight into quarantine on their...

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„First Lady“ und Kultusminister treffen Auszubildende der PTB

Niedersachsens Kultusminister Grant Hendrik Tonne und Elke Büdenbender, die Ehefrau des Bundespräsidenten, besuchen am 17. März die PTB, um sich gezielt über die Ausbildung zu informieren und um mit Auszubildenden ins Gespräch zu kommen.

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Quantum logic spectroscopy unlocks potential of highly charged ions

Scientists have carried out pioneering optical measurements of highly charged ions with unprecedented precision. This opens up the multitude of highly charged ions for novel atomic clocks and further avenues in the search for new physics.

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PTBnews 1.2020

PTBnews 1.2020

Three times a year, PTB News provides topical information from the varied spectrum of activities of the Physikalisch-Technische Bundesanstalt (PTB) consisting of fundamental research, legal metrology and PTB's various activities in the service of the economy.
maßstäbe 13 (in German only)

maßstäbe 13 (in German only)

This issue of maßstäbe ("Alltag in Maßen" - "Everyday Measurements") invites you to a journey which starts in our body and does not end in all sorts of networks.
PTB-Mitteilungen 4.2017

PTB-Mitteilungen 4.2017

Issue 4: Metrology for the Digitalization of the Economy and Society
After nearly 130 years of service, the international prototype of the kilogram is expected to be retired in the fall of 2018 (at the General Conference on Weights and Measures). The Avogadro experiment, which aims to determine the number of atoms contained in a near-perfect silicon sphere, is a cornerstone of the redefinition of the kilogram.

Titelseite JB 2017

The Annual Report is published every spring and reports on PTB's work in the past year. The full version is to be found here on the Internet; excerpts from it are also available as a printed brochure.

Elektroautos laden ohne Netzengpässe [ more ]

3D nano-metrology with X-ray fluorescence and scattering techniques [ more ]

DFG-Project „Bayesian compressed sensing for nanoscale chemical mapping in the mid-infrared regime“ has started [ more ]

Nanoskalige magnetische Feldmessungen: wie kalibriert man am besten? [ more ]

Honorary membership of the Ioffe-Institute St. Petersburg [ more ]

Round robin comparison study on the form measurement of optical freeform surfaces [ more ]

Influence of mounting on the optical surface figure in optical reference surfaces [ more ]

RDI – ein effizienter model observer für die Qualitätssicherung in der Röntgen-Computertomographie (CT) [ more ]

Nanodosimetrische Charakterisierung der Spurstruktur von Protonen in einem Spread-Out Bragg-Peak [ more ]

Reduktion des Sekundärionenuntergrundes in gemessenen Spurstrukturdaten in nanometrischen Volumina [ more ]

PTB - The National Metrology Institute of Germany

PTB's profile of tasks

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 Opens internal link in current windowquality management system which covers the four interlinked field of business. (Initiates file downloadSelf-Declaration on quality management).

Corporate logo of the Federal Ministry for Economic Affairs and Energy

The Physikalisch-Technische Bundesanstalt, the National Metrology Institute of Germany, is a scientific and technical higher federal authority falling within the competence of the Federal Ministry for Economic Affairs and Energy.