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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 8 — Apr. 16, 2007
  • pp: 4835–4847

Global approach for fitting 2D interferometric data

Luigi Bruno  »View Author Affiliations


Optics Express, Vol. 15, Issue 8, pp. 4835-4847 (2007)
http://dx.doi.org/10.1364/OE.15.004835


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Abstract

The present paper describes a fitting procedure capable of providing a smooth approximation of experimental data distributed on a bi-dimensional domain, e.g. the typical output of an interferometric technique. The procedure is based on the optimization of an analytical model defined on the whole domain by the B-spline formulation. In the paper rectangular, circular and polygonal convex domains are considered in details, but, according to the need of the operating conditions, the procedure can be extended to domains of different shapes. The proposed procedure was initially calibrated by an analytical case study: a thin square plate simply supported along the edges and loaded by a uniform pressure. Subsequently, by the operative parameters defined by the analyses carried out on the analytic data, the fitting procedure was applied on experimental data obtained by phase shifting speckle interferometry.

© 2007 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(100.2000) Image processing : Digital image processing
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: January 16, 2007
Revised Manuscript: April 3, 2007
Manuscript Accepted: April 3, 2007
Published: April 5, 2007

Citation
Luigi Bruno, "Global approach for fitting 2D interferometric data," Opt. Express 15, 4835-4847 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-8-4835


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