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Quantum technology

Quantum technologies are widely on the rise towards becoming part of daily life. Super sensitive sensors in medicine and technology as well as ultra-stable and precise optical atomic clocks are already examples of their applications. PTB plays a leading role worldwide in many of these areas.
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News & press releases

Grafik zum neuen SI

Natural constants as the main protagonists

On the occasion of their 26th General Conference on Weights and Measures (CGPM) on 16 November 2018 in Versailles, the signatory states of the Metre Convention resolved to fundamentally reform the International System of Units (SI).

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Weltweite Zusammenarbeit fördert Verbraucherschutz, fairen Wettbewerb und Vertrauen in Mess- und Prüfergebnisse

Vertreter aus 70 Nationen beschließen auf der OIML-Tagung in Hamburg weitere Schritte zur weltweiten Harmonisierung des Messwesens.

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Die Abbildung zeigt eine Oberflächenfalle für Ionen mit integrierter Mikrowellenkontrolle.

Rahmenprogramm zu Quantentechnologien verabschiedet

Quanteneffekte, also physikalische Phänomene die auf Gesetzmäßigkeit auf meist atomarer Ebene basieren, haben in den letzten Jahren zunehmend außerhalb der Grundlagenforschung an Bedeutung gewonnen. Das am 26.9.2018 verabschiedete Rahmenprogramm der Bundesregierung „Quantentechnologien – von den...

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PTB-Präsident Prof. Dr. Joachim Hermann Ullrich, Dr. Gavin O’Connor mit Professorin Anke Kaysser-Pyzalla, Präsidentin der TU Braunschweig, und Dr. Bernd Güttler, Leiter der PTB-Abteilung 3 (Chemische Physik und Explosionsschutz)Bildnachweis: Bernt Erlewein/TU Braunschweig

Dr. Gavin O’Connor gemeinsam berufen von TU Braunschweig und PTB
Presseinformation der Technischen Universität Braunschweig

Dr. Gavin O’Connor trat zum 1. September 2018 in einer gemeinsamen Berufung von TU Braunschweig und der Physikalisch-Technische Bundesanstalt (PTB) eine Stelle als Universitätsprofessor an. O’Connor war zuvor in der Gemeinsamen Forschungsstelle der Europäischen Kommission tätig....

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Event Calendar

Current Publications

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.

PTB-News 2.2018

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.
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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.
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PTB-Mitteilungen 4.2017

PTB-Mitteilungen 4.2017

Issue 4: Metrology for the Digitalization of the Economy and Society
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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.
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News from the divisions

Brandverhalten von Mineralölprodukten mit Flammpunkt über 55 °C [ more ]

Simulationsbasierte Charakterisierung der berührungslosen Messung elektro-statischer Aufladung mittels Feldmühlen [ more ]

Einfluss von Inertgasen auf die sicherheitstechnischen Kennzahlen von Ethanol/Luft-Gemischen in geschlossenen Behältern [ more ]

Chemsafe entwickelt sich weiter [ more ]

Die Entstehung von heißen Oberflächen in metallischen Reibsituationen und ihre Zündwirksamkeit [ more ]

Aufladung beim Versprühen von Flüssigkeiten – Untersuchung praxisrelevanter Prozesse bei der Reinigung kleiner und mittlerer Behälter [ more ]

Ein neues Auswerteverfahren für die Mueller-Ellipsometrie [ more ]

Improved set-up for the dynamic characterization of multi-component sensors for force and moment [ more ]

Traceable torque measurement for the wind energy sector [ more ]

Directional response pattern of measurement microphones for high-frequency noise measurements [ 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.