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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 5 — Mar. 1, 2004
  • pp: 462–464

Generalized method for wave-front analysis

Shay Wolfling, Nissim Ben-Yosef, and Yoel Arieli  »View Author Affiliations


Optics Letters, Vol. 29, Issue 5, pp. 462-464 (2004)
http://dx.doi.org/10.1364/OL.29.000462


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Abstract

We suggest and demonstrate a new method for wave-front analysis based on common-path phase-shift interferometry. We introduce a formalism and an iterative mathematical algorithm in which the wave front is transformed, modified, and inversely transformed. The resulting intensity data are sufficient to reconstruct the entire wave front. In a more restricted case, in which the wave-front modifications are arbitrarily applied over arbitrary spatial regions of the wave front, the wave front is reconstructed semianalytically by use of a model that allows a local solution, followed by an iterative algorithm. Measurement results indicating that the suggested approach has an improved measurement accuracy with respect to existing quantitative phase measurement methods are presented.

© 2004 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(050.5080) Diffraction and gratings : Phase shift
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(180.6900) Microscopy : Three-dimensional microscopy

Citation
Shay Wolfling, Nissim Ben-Yosef, and Yoel Arieli, "Generalized method for wave-front analysis," Opt. Lett. 29, 462-464 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-5-462


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