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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 7 — Mar. 1, 2009
  • pp: C159–C164

Computer-aided analysis of optical diffraction by low-frequency liquid surface acoustic waves

Tuck Wah Ng, Duncan Joiner, Adrian Neild, and James Whitehill  »View Author Affiliations

Applied Optics, Vol. 48, Issue 7, pp. C159-C164 (2009)

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Optical diffraction offers an effective method of characterizing low-frequency liquid surface acoustic waves. We use a laser line generator to produce patterns that are amenable for computer-aided analysis. We present a segmented nonlinear regression approach to accurately determine the positions of the maxima and minima in the pattern. The robustness of this scheme is investigated through simulation. The approach is then used to analyze optical diffraction patterns obtained experimentally.

© 2009 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(100.2960) Image processing : Image analysis
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(350.7420) Other areas of optics : Waves

Original Manuscript: August 21, 2008
Revised Manuscript: November 17, 2008
Manuscript Accepted: December 9, 2008
Published: February 6, 2009

Tuck Wah Ng, Duncan Joiner, Adrian Neild, and James Whitehill, "Computer-aided analysis of optical diffraction by low-frequency liquid surface acoustic waves," Appl. Opt. 48, C159-C164 (2009)

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