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11. Using UV-C radiation to combat the coronavirus
Date: 01.12.2020
Percental score: 9 %

The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A
12. Meeting of asphere specialists
Date: 05.02.2018
Percental score: 9 %

Because of their complex geometry, aspheres – that is, non-spherically curved surfaces of optical elements such as mirrors or lenses – pose special challenges to the field of precision metrology.
13. Support of doctoral candidates
Date: 21.04.2022
Percental score: 8 %

PTB's support program for doctoral candidates has rules that ensure a good and extensive support situation, promoting the participation in professional events as well as the offer of a core
14. Preliminary List
Date: 12.05.2011
Percental score: 7 %

Preliminary List Physikalisch-Technische Bundesanstalt Braunschweig und Berlin Certification Body Certification body for System measuring instruments Quality Management Evaluation of Measuring
15. Hannover trade fair 2021
Date: 08.04.2021
Percental score: 7 %

PTB at the (digital) Hanover trade fair: 12th -16th April In the future, PTB will offer a digital workflow for its numerous metrological services. It is based on an electronic customer portal,
16. Bilateral comparison of traceable two-axis calibrations of an autocollimator between PTB and VTT MIKES
Date: 15.11.2021
Percental score: 7 %

In order to calibrate the two orthogonal measuring axes of autocollimators simultaneously, including the characterisation of their crosstalk, PTB and VTT MIKES developed calibration systems which are
17. Frozen highly-charged ions for highest precision spectroscopy
Date: 13.03.2015
Percental score: 6 %

A team of researchers from the Max Planck Institute for Nuclear Physics in Heidelberg, the Physikalisch-Technische Bundesanstalt in Braunschweig and the University of Aarhus in Denmark demonstrated
18. Calibration of force vector transducers with smallest uncertainties
Date: 17.07.2007
Percental score: 5 %

With the precision force transducers used so far, the force is measured in an axis predefined by the transducer construction. In the last few years, however, the demand for force transducers
19. Measurement methods
Date: 24.11.2023
Percental score: 4 %

11 May 2023 Current position while writing (diamond shape). The circles are the positions at previous blog posts, the black line is roughly the route we took (base map from ggplot2).
20. Quantum Technology Competence Center (QTZ)
Date: 19.03.2024
Percental score: 4 %

What is the QTZ? The quantum technology competence center (QTZ) at the Physikalisch-Technische Bundesanstalt will provide an important basis for the industrial development of quantum technology. PTB

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