Regularized quadrature and phase tracking from a single closed-fringe interferogram
JOSA A, Vol. 21, Issue 3, pp. 411-419 (2004)
http://dx.doi.org/10.1364/JOSAA.21.000411
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Abstract
A new sequential phase demodulator based on a regularized quadrature and phase tracker system (RQPT) is applied to demodulate two-dimensional fringe patterns. This RQPT system tracks the fringe pattern’s quadrature and phase in a sequential way by following the path of the fringes. To make the RQPT system more robust to noise, the modulating phase around a small neighborhood is modeled as a plane and the quadrature of the signal is estimated simultaneously with the fringe’s modulating phase. By sequentially calculating the quadrature of the fringe pattern, one obtains a more robust sequential demodulator than was previously possible. This system may be applied to the demodulation of a single interferogram having closed fringes.
© 2004 Optical Society of America
OCIS Codes
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
Citation
Manuel Servin, Jose Luis Marroquin, and Juan Antonio Quiroga, "Regularized quadrature and phase tracking from a single closed-fringe interferogram," J. Opt. Soc. Am. A 21, 411-419 (2004)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-3-411
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