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31 results:
  • 11. 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  
  • 12. HF electromagnetic fields, EMC - Antennas - Terahertz  
    Date: 12.05.2021
    Percental score: 2 %
    Publications until 2020   J. Ornik, J. Lehr, M. Reuter, D. Jahn, F. Felipe-Mejia, J. C. Balzer, T. Kleine-Ostmann, and M. Koch Repeatability of material parameter extraction of liquids from  
  • 13. 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,  
  • 14. PTB News 1/2021  
    Date: 29.03.2021
    Percental score: 2 %
    PTB News 1/2021, English edition, Issue April 2021 PTB News 1/2021 news 1 Scientific Newsletter Three times a year, PTB News provides topical information from the varied spectrum of activities of  
  • 15. Using UV-C radiation to combat the coronavirus  
    Date: 01.12.2020
    Percental score: 9 %
    Dr. Peter Sperfeld performs measurements of UV-C radiation 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  
  • 16. PTB-Jahresbericht 2019  
    Date: 31.03.2020
    Jahresbericht aus dem Jahre 2019 als *.pdf-Datei Jahresbericht aus dem Jahre 2019 als *.pdf-Datei PTB-Jahresbericht 2019 Physikalisch-Technische Bundesanstalt Nationales Metrologieinstitut Jahresbericht 2019 Annual Report 2019 Wenn es um die  
  • 17. Homogeneous MR images  
    Date: 04.12.2018
    Percental score: 15 %
    Especially interesting for The fundamentals of metrology All mass determinations Licence partner wanted Licence partner wanted Magnetic Resonance Imaging (MRI) at high magnetic fields up  
  • 18. Meeting of asphere specialists  
    Date: 05.02.2018
    Percental score: 9 %
    Specially manufactured aspheres 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.  
  • 19. Workshop "The Quantum Revolution in Metrology"  
    Date: 28.11.2017
    Percental score: 13 %
    The revised International System of Units, the SI, will rest on seven defining constants. To realize the SI units based on the defining constants, methods of quantum metrology will be used in many  
  • 20. New measuring quantities  
    Date: 22.03.2016
    Percental score: 15 %
    In its report ICRU 95 the International Commission on Radiation Units and Measurements (ICRU) has proposed new quantities in radiation protection. The effects of a possible introduction  
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