Uncertainty of Plane Angle Unit Reproduction by Means of a Ring Laser and Holographic Optical Encoder

  1. French College of Metrology
  1. M. N. Bournachev1,
  2. Y. V. Filatov1,
  3. D. P. Loukianov1,
  4. P. A. Pavlov1,
  5. E. P. Krivtsov2 and
  6. A. E. Sinelnikov2

Published Online: 3 FEB 2010

DOI: 10.1002/9780470611371.ch30

Transverse Disciplines in Metrology

Transverse Disciplines in Metrology

How to Cite

French College of Metrology (2009) Uncertainty of Plane Angle Unit Reproduction by Means of a Ring Laser and Holographic Optical Encoder, in Transverse Disciplines in Metrology, ISTE, London, UK. doi: 10.1002/9780470611371.ch30

Author Information

  1. 1

    St. Petersburg Electrotechnical University Prof. Popov str. 5, 197376, St. Petersburg, Russia

  2. 2

    D.I. Mendeleev Institute for Metrology, Moskovski pr. 19, 198005, St. Petersburg, Russia

Publication History

  1. Published Online: 3 FEB 2010
  2. Published Print: 1 JAN 2009

ISBN Information

Print ISBN: 9781848210486

Online ISBN: 9780470611371

SEARCH

Keywords:

  • plane angle unit;
  • holographic principle;
  • optical polygon;
  • optical encoders;
  • dynamic errors

Summary

Development of the measurement standard of a plane angle for reproduction of the size of plane angle unit in dynamic mode is described in the report. The development is based on the dynamic goniometer with the ring laser (RL) as an angle sensor of super high resolution. The important feature of development is integration of angle sensors operating with totally different physical principles. In this purpose the holographic incremental optical encoder (OE) with 324,000 lines is included in the measurement system. The data processing in the system is carried out with the use of a cross-calibration technique providing the determination of the systematic error of the RL as well as the systematic error of the OE. Experimental research showed that the random and residual systematic errors of the angle unit reproduction are on the level of 0.01 arc-sec.