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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 18 — Aug. 31, 2009
  • pp: 15766–15771

Calculus of exact detuning phase shift error in temporal phase shifting algorithms

J. F. Mosiño, D. Malacara Doblado, and D. Malacara Hernández  »View Author Affiliations


Optics Express, Vol. 17, Issue 18, pp. 15766-15771 (2009)
http://dx.doi.org/10.1364/OE.17.015766


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Abstract

The detuning phase shift error is a common systematic error observed in temporal phase shifting (TPS) algorithms. This error, generally due to miscalibration of the phase shifter, is solved by using a quadrature filter insensitive to this detuning error. To compare algorithms, this error is frequently analyzed numerically. However, in this work we present an exact and analytical expression to calculate such error which is applicable to any kind of filters with real or complex frequency response. Finally, a table with the detuning error for several algorithms is reported.

© 2009 OSA

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 17, 2009
Revised Manuscript: July 19, 2009
Manuscript Accepted: July 21, 2009
Published: August 20, 2009

Citation
J. F. Mosiño, D. Malacara Doblado, and D. Malacara Hernández, "Calculus of exact detuning phase shift error in temporal phase shifting algorithms," Opt. Express 17, 15766-15771 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-18-15766


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References

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