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361 results:
31. 4.21 Form and Wavefront Metrology  
Date: 03.06.2020
Percental score: 9 %
Selected publications The working group offers the following calibrations: Sphericity and radius measurement of sperical sections Refractive index measurement Transmission measurement on  
32. 4.23 Optical Nanometrology  
Date: 20.01.2021
Percental score: 5 %
Overview on standards for nanometrology   http://www.nanoscale.ptb.de/nanoscale/nanoscale-standards.html http://www.nano-refmat.bam.de/en/ Linewidth calibrations on photomasks are offered  
33. 4.24 Asphere Metrology  
Date: 13.01.2023
Percental score: 70 %
Aspherical optical elements (in short: aspheres), such as aspherical lenses, have surface forms that deviate from a spherical shape. This can reduce imaging errors and – at the same time – produce  
34. 4.24 Asphere Metrology  
Date: 13.01.2023
Percental score: 99 %
4.24 Asphere Metrology Dr.-Ing. Ines Fortmeier Physikalisch-Technische Bundesanstalt 4.24 Asphärenmetrologie Bundesallee 100 38116 Braunschweig ines.fortmeier@ptb.de (0531) 592-4240  
35. 5.24 Electron Microscopy  
Date: 08.03.2019
Percental score: 99 %
5.24 Electron Microscopy Dr. Tobias Klein Physikalisch-Technische Bundesanstalt 5.24 Elektronenmikroskopie Bundesallee 100 38116 Braunschweig tobias.klein@ptb.de (0531) 592-5240  
36. 5.24 Electron Microscopy  
Date: 08.03.2019
Percental score: 97 %
5.24 Electron Microscopy Iris Weidner Physikalisch-Technische Bundesanstalt 5.24 Elektronenmikroskopie 38116 Braunschweig iris.weidner@ptb.de (0531) 592-5201 (0531) 592-5205  
37. 6.24 Medical Imaging  
Date: 22.04.2016
Percental score: 99 %
6.24 Medical Imaging Dr. Mathias Anton Physikalisch-Technische Bundesanstalt 6.24 Alanin-Dosimetrie Bundesallee 100 38116 Braunschweig mathias.anton@ptb.de (0531) 592-6240  
38. 7.24 X-ray Spectrometry  
Date: 10.01.2022
Percental score: 99 %
7.24 X-ray Spectrometry Dr. Burkhard Beckhoff Physikalisch-Technische Bundesanstalt 7.24 Röntgenspektrometrie Abbestraße 2–12 10587 Berlin burkhard.beckhoff@ptb.de (030) 3481-7170  
39. 8.24 Ultra-Low Field MR Imaging  
Date: 05.01.2023
Percental score: 94 %
8.24 Ultra-Low Field MR Imaging Dr. Rainer Körber Physikalisch-Technische Bundesanstalt 8.24 MR Bildgebung im Niedrigfeld Abbestraße 2–12 10587 Berlin rainer.koerber@ptb.de (030) 3481-7576  
40. 8.24 Ultra-Low Field MR Imaging  
Date: 05.01.2023
Percental score: 76 %
Magnetic resonance imaging in extremely low environmental fields opens a new measurement range to gain insight into structure and function of the human body. Together with other research groups we  
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