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PTB > Structure > Division 5 > Department 5.2> Working Group 5.21
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Working Group 5.21
Length Graduations

Contact persons

  • Dr.-Ing. Jens Flügge
    Head of working group
    Phone: +49 531 592-5261
    E-mail: jens.fluegge@ptb.de

  • Dr.-Ing. Rainer Köning
    Research and development of measurement methods for length graduations
    Length calibrations with the Nanometer Comperator
    Development of optical methods for localisation of line graduations
    Phone: +49 531 592-5251
    E-mail: rainer.koening@ptb.de

  • Dipl.-Phys. Thomas Ahbe
    Development of a combined optical and X-Ray-Interferometer
    Phone: +49 531 592-5143
    E-mail: thomas.ahbe@ptb.de

  • Dipl.-Ing. Michael Voigt
    Measurement data processing on length comparators
    Software development
    Development and optimisation of instrumentation
    Calibration of thermal expansion coefficients
    Phone: +49 531 592-5267
    E-mail:

  • Dipl.-Ing. (FH) Bernd Przebierala
    Development of supports for measurement objects
    Finite element calculations
    Phone: +49 531 592-5114
    E-mail: bernd.przebierala@ptb.de

  • Manfred Dähn
    Development of electronics
    Calibration of temperature measurement instrumentation for length metrology at 20 °C
    Phone: +49 531 592-5336
    E-mail: manfred.daehn@ptb.de

  • Eugen Schötka
    Construction, production and test of mechanical components for instrumentation
    Investigations and calibrations in length and angle metrology
    Phone: +49 531 592-5248
    E-mail: eugen.schoetka@ptb.de

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Page created: 2006-06-28, last update: 2007-04-11, D. Schulz