A FAST PHASEMETER FOR INTERFEROMETRIC APPLICATIONS WITH AN ACCURACY IN THE PICOMETER REGIME

• Abstract:

  The lock-in principle is a preferred method to determine the phase difference between elec trical signals of heterodyne interferometer. A phase meter based on this method was devel oped at PTB allowing to detect fractions of an optical fringe in the range of a few picometers, which is verified by experimental results.
• Download:

  IMEKO-TC14-2011-34.pdf
• DOI:

  _unreg_tc14-2011.34

Event details:

• IMEKO TC:

  TC14
• Event name:

  TC14 LMPMI Symposium 2011
• Title:

  10th Symposium on Laser Metrology for Precision Measurement and Inspection in Industry

• Place:

  Braunschweig, GERMANY
• Time:

  12 September 2011 - 14 September 2011