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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 5137–5141

Interference fringe analysis based on centroid detection

Chandra S. Vikram and H. John Caulfield  »View Author Affiliations

Applied Optics, Vol. 46, Issue 22, pp. 5137-5141 (2007)

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Phase measurement of interference fringes is an integral part of several fields in optics. Using simple straight sinusoidal fringe patterns, we describe the relationship between fringe position or phase to the centroid position when these fringes are incident on a position sensitive detector. With detailed descriptions and some experimental results, we show that a phenomenal sensitivity is possible in principle with what we believe is a new approach of phase measurement, and excellent sensitivity is readily achieved.

© 2007 Optical Society of America

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:

Original Manuscript: March 21, 2007
Manuscript Accepted: May 2, 2007
Published: July 9, 2007

Chandra S. Vikram and H. John Caulfield, "Interference fringe analysis based on centroid detection," Appl. Opt. 46, 5137-5141 (2007)

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