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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

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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"Große Freude über die Auswahl "ihres" Exzellenzclusters bei Prof. Dr. Andreas Waag (TU Braunschweig), Prof. Dr. Karsten Danzmann (Leibniz Universität Hannover, LUH), Prof. Dr. Piet O. Schmidt (PTB), Prof. Dr. Wolfgang Ertmer (LUH) und Prof. Dr. Dr. Welling (Mitbegründer des Laserzentrums Hannover). Copyright: Thomas Damm, LUH"

Exzellenzcluster „QuantumFrontiers“ durch DFG bewilligt

Großer Erfolg für gemeinsame Forschung an den Grenzen des Messbaren der PTB, TU Braunschweig und Leibniz-Universität Hannover

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Naturkonstanten künftig als Maß aller Dinge

Ein Faktenblatt der Deutschen Physikalischen Gesellschaft und der Physikalisch-Technischen Bundesanstalt (PTB) zur Neudefinition des SI-Einheitensystems

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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

Using DNA origami nanorulers as traceable distance measurement standards and nanoscopic benchmark structures [ more ]

Differentiating gold nanorod samples using particle size and shape distributions from transmission electron microscope images [ more ]

Nanomagnete präzise vermessen [ more ]

Entwicklung einer hochgenauen Referenzanlage zur Messung der Modulationstransferfunktion von Objektiven [ more ]

Hochgenaue und rückgeführte Charakterisierung von Wellenfrontsensoren [ more ]

Lens inspection using Multiple Aperture Shear Interferometry: Comparison to Wave Front Sensing Methods [ more ]

Counting optical photons for the metrology of nanophotonic light sources [ more ]

Konzept zur interferometrischen Formmessung mit einer nachgeführten Mehrzeilenkamera [ more ]

Charakterisierung eines berechenbaren, quanteneffizienten Detektors für Anwendungen in Photometrie und Radiometrie [ more ]

European X-ray Spectrometry Association Prizes for PTB Scientists [ 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.