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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 9 — Aug. 28, 2012

Single-shot parallel four-step phase shifting using on-axis Fizeau interferometry

D. G. Abdelsalam, Baoli Yao, Peng Gao, Junwei Min, and Rongli Guo  »View Author Affiliations


Applied Optics, Vol. 51, Issue 20, pp. 4891-4895 (2012)
http://dx.doi.org/10.1364/AO.51.004891


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Abstract

The purposes of the paper are threefold: (1) to show the possibility to perform parallel phase-shifting Fizeau interferometry by using a quarter waveplate with high flatness as a reference, (2) to present a comparative study between the phase-shifting algorithm and the off-axis geometry in surface microtopography measurement, and (3) to show the advantages of using the proposed common path Fizeau interferometry over the quasi-common path Michelson interferometry in terms of accuracy in measurement. The compelling advantage of the proposed parallel phase-shifting Fizeau interferometric technique is the long-term stability that leads to measuring objects with a high degree of accuracy.

© 2012 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(100.5090) Image processing : Phase-only filters
(170.0180) Medical optics and biotechnology : Microscopy
(180.0180) Microscopy : Microscopy

ToC Category:
Image Processing

History
Original Manuscript: March 20, 2012
Revised Manuscript: May 11, 2012
Manuscript Accepted: May 18, 2012
Published: July 9, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics

Citation
D. G. Abdelsalam, Baoli Yao, Peng Gao, Junwei Min, and Rongli Guo, "Single-shot parallel four-step phase shifting using on-axis Fizeau interferometry," Appl. Opt. 51, 4891-4895 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-51-20-4891

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