Logo of the Physikalisch-Technische Bundesanstalt
Production sequence of Si-spheres and interferometrical determination of the sphere volume

Interferometry on Spheres

Working Group 5.41

To top

Contact persons

  • Dr.-Ing. Dipl.-Phys. Arnold Nicolaus
    Head of Working Group
    Spherical interferometer, determination of volume for the Avogadro project, phase-shifting interferometry of Fizeau interferences, development of interferometer for cube measurements
    Tel.: 0531 592-5410
  • Dipl.-Ing. (FH) Andreas Peter
    Spherical interferometer: Control of experiments, laser stabilisation, big frequenzy electronic
    Tel.: 0531 592-5412