Browsing by Author "Fröhlich Thomas"

Filter results by typing the first few letters
Now showing 1 - 1 of 1
  • Thumbnail Image
    Item
    Frequency comb-coupled metrology lasers for nanopositioning and nanomeasuring machines
    (Lviv Politechnic Publishing House, 2021) Blumröder Ulrike; Füßl Ronald; Fröhlich Thomas; Manske Eberhard; Mastylo Rostyslav
    This article shows how a direct readout of the interferometric length measurement in nanopositioning machines can be transferred by connecting the metrology laser to a frequency comb line. The approach is based on a GPS-referenced frequency comb with which the stability of the timer (atomic clock via GPS) is transferred to the metrology laser of the nanopositioning and nanomeasuring machine NPMM-200. The necessary prerequisites for ensuring traceability are discussed. It is demonstrated that with this approach an improvement in the long-term stability of the metrology laser by three orders of magnitude can be achieved.