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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 17, Iss. 1 — Jan. 1, 1992
  • pp: 70–72

Parallel subtraction of Fourier power spectrum using holographic interferometry

Pochi Yeh, Dapeng Zhang, and Claire Gu  »View Author Affiliations


Optics Letters, Vol. 17, Issue 1, pp. 70-72 (1992)
http://dx.doi.org/10.1364/OL.17.000070


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Abstract

We propose and demonstrate parallel subtraction of the Fourier power spectrum of two images with the use of real-time holographic interferometry. The subtraction, which exhibits shift invariance, is achieved by employing a Mach–Zehnder interferometer and a photorefractive crystal. The results are presented and discussed.

© 1992 Optical Society of America

History
Original Manuscript: September 30, 1991
Published: January 1, 1992

Citation
Pochi Yeh, Claire Gu, and Dapeng Zhang, "Parallel subtraction of Fourier power spectrum using holographic interferometry," Opt. Lett. 17, 70-72 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-1-70

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