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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 3 — Feb. 1, 2008
  • pp: 210–212

Improved formula of wavefront reconstruction from a radial shearing interferogram

Dahai Li, Fulin Wen, Qionghua Wang, Yunying Zhao, Fuming Li, and Bingfang Bao  »View Author Affiliations


Optics Letters, Vol. 33, Issue 3, pp. 210-212 (2008)
http://dx.doi.org/10.1364/OL.33.000210


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Abstract

A radial shearing (RS) interferogram obtained by the carrier fringe method is essentially the combination of radial and lateral shearing. The previous phase reconstruction algorithm neglects the effect of lateral shearing on the obtained RS interferogram. A mathematical formula for wavefront reconstruction from an RS interferogram is deduced. If the phase difference of the tested wavefront phase, the RS ratio s, and the laterally sheared amount x 0 in the x direction and y 0 in the y direction, respectively, have been determined, the tested wavefront phase can be precisely reconstructed using this formula. The result of simulation analysis and experiment shows that the formula is correct and more accurate.

© 2008 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: October 16, 2007
Manuscript Accepted: December 2, 2007
Published: January 16, 2008

Citation
Dahai Li, Fulin Wen, Qionghua Wang, Yunying Zhao, Fuming Li, and Bingfang Bao, "Improved formula of wavefront reconstruction from a radial shearing interferogram," Opt. Lett. 33, 210-212 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-3-210

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