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27 results:
  • 11. 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.  
  • 12. Support of doctoral candidates  
    Date: 21.04.2022
    Percental score: 9 %
    Assistance Margit Kleinsorge Phone: (030) 3481-7464 Email: Doktorandenprogramm@ptb.de PTB's support program for doctoral candidates has rules that ensure a good and extensive support situation,  
  • 13. Preliminary List  
    Date: 12.05.2011
    Percental score: 8 %
    Preliminary List Physikalisch-Technische Bundesanstalt Braunschweig und Berlin Certification Body Certification body for System measuring instruments Quality Management Evaluation of Measuring  
  • 14. 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,  
  • 15. Lecture strong fields  
    Date: 17.07.2018
    Percental score: 7 %
    Lecture strong fields Light-Matter Interaction I Lecture 12 Summer Term 2018 Andrey Surzhykov Robert Müller Gauge Transformations of the Time Dependent Schrödinger Equation Before we can talk  
  • 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: 7 %
    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: 6 %
    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. Foreword  
    Date: 12.05.2022
    Percental score: 4 %
    “Providing a national measurement infrastructure in Germany to industry, society and science that is internationally of the very highest order.” This has been PTB’s central aspiration for 130  
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