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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 9 — Sep. 1, 2012
  • pp: 2038–2047

Generalized zonal wavefront reconstruction for high spatial resolution in lateral shearing interferometry

Fengzhao Dai, Feng Tang, Xiangzhao Wang, and Osami Sasaki  »View Author Affiliations


JOSA A, Vol. 29, Issue 9, pp. 2038-2047 (2012)
http://dx.doi.org/10.1364/JOSAA.29.002038


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Abstract

A new zonal wavefront reconstruction method for lateral shearing interferometry was presented. The proposed algorithm allows shear amounts equal to arbitrary integral multiple of the sample intervals. High spatial resolution reconstruction is achieved with only two difference wavefronts measured in orthogonal shear directions. The presented algorithm was generalized to be applicable for general aperture shape by using zero padding and Gerchberg-type iterative methods. The capability of the presented algorithm was demonstrated by some numerical examples. Also, the reconstruction error was analyzed theoretically and numerically.

© 2012 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 4, 2012
Manuscript Accepted: July 19, 2012
Published: August 31, 2012

Citation
Fengzhao Dai, Feng Tang, Xiangzhao Wang, and Osami Sasaki, "Generalized zonal wavefront reconstruction for high spatial resolution in lateral shearing interferometry," J. Opt. Soc. Am. A 29, 2038-2047 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-9-2038

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