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Proceedings Article

Spatial and temporal phase-measurement techniques: a comparison of major error sources in one dimension

[+] Author Affiliations
Joanna Schmit, Katherine Creath

Optical Sciences Ctr./Univ. of Arizona (USA)

Malgorzata Kujawinska

Warsaw Univ. of Technology (Poland)

Proc. SPIE 1755, Interferometry: Techniques and Analysis, 202 (February 5, 1993); doi:10.1117/12.140770
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From Conference Volume 1755

  • Interferometry: Techniques and Analysis
  • Gordon M. Brown; Osuk Y. Kwon; Malgorzata Kujawinska; Graeme T. Reid
  • San Diego, CA | July 19, 1992

abstract

Spatial and temporal phase-measurement interferometry techniques are affected by a number of sources of error. This paper focuses on the influence of major error sources on the results of phase calculations using the most popular algorithms. These error sources include phase-shifter miscalibration for N-frame temporal methods and its equivalent of the wrong carrier frequency in N-point spatial techniques and detector nonlinearities. Other errors considered are detector nonlinearities and leakage in the Fourier-transform method. Computer simulations in one dimension with straight, equally spaced fringes reveal the character and magnitude of these errors.

© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Joanna Schmit ; Katherine Creath and Malgorzata Kujawinska
"Spatial and temporal phase-measurement techniques: a comparison of major error sources in one dimension", Proc. SPIE 1755, Interferometry: Techniques and Analysis, 202 (February 5, 1993); doi:10.1117/12.140770; http://dx.doi.org/10.1117/12.140770


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