Only One Fitting for Bironchigrams
Applied Optics, Vol. 40, Issue 31, pp. 5600-5609 (2001)
http://dx.doi.org/10.1364/AO.40.005600
Acrobat PDF (311 KB)
Abstract
We present an algorithm that uses a square grid in a Ronchi test. We assume that the point coordinates of this pattern (termed a bironchigram) are affected by Gaussian errors. To calculate the optical path difference, we apply only one nonlinear least-squares fit to the dot coordinates. The relevant equations are deduced, and experimental results are shown.
© 2001 Optical Society of America
[Optical Society of America ]
OCIS Codes
(100.2650) Image processing : Fringe analysis
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(190.0190) Nonlinear optics : Nonlinear optics
Citation
Alberto Cordero-Dávila, Juan Manuel Nuũez-Alfonso, Esteban Luna-Aguilar, and Carlos Ignacio Robledo-Sánchez, "Only One Fitting for Bironchigrams," Appl. Opt. 40, 5600-5609 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-31-5600
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