Correction of scanning steps to improve accuracy in interferometric profilometer

E. Sysoev, R. Kulikov, I. Vykhristyuk, Yu Chugui

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


In scanning interferometry of longitudinal shift, an uncertainty of required phase shift performance leads to a measurement error. Such uncertainty can be caused by external factors (vibrations, air turbulence in measuring area etc.) as well as inaccuracy of the scanning system. The method for calculating the phase shift between interferograms, which allows reducing the measurement error, is proposed. The results of numerical and full scale experiments are presented.

Original languageEnglish
Pages (from-to)9-12
Number of pages4
JournalMeasurement Science Review
Issue number1
Publication statusPublished - 1 Feb 2015


  • measurement error
  • nanorelief measurement
  • Phase shifting interferometry


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