Application of complex-lag distributions for estimation of arbitrary order phase derivatives in digital holographic interferometry

This Letter proposes a method to estimate phase derivatives of arbitrary order in digital holographic interferometry. Based on the desired order, the generalized complex-lag distribution is computed from the reconstructed interference field. Subsequently, the phase derivative is estimated by tracing the peak of the distribution. Simulation and experimental results are presented to validate the method’s potential.


Published in:
Optics Letters, 36, 19, 3738-3740
Year:
2011
Publisher:
Optical Society of America
ISSN:
0146-9592
Laboratories:


Note: The status of this file is: EPFL only


 Record created 2011-09-16, last modified 2018-01-28

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