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Applied Optics

Applied Optics


  • Vol. 43, Iss. 15 — May. 20, 2004
  • pp: 3166–3170

Beam cleanup and image restoration with a photorefractive polymeric composite

Jeffrey G. Winiarz and Fassil Ghebremichael  »View Author Affiliations

Applied Optics, Vol. 43, Issue 15, pp. 3166-3170 (2004)

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We demonstrate, for the first time to our knowledge, the use of a photorefractive polymeric composite to clean a phase-distorted laser beam and reconstruct a badly distorted image. Advantageous qualities including relatively high figures of merit, ease of processability, and low cost make this class of materials attractive when compared with their inorganic crystalline counterparts. In addition, we used four-wave-mixing and holographic techniques to obtain an internal diffraction efficiency of ∼31% at 54.5 V/μm and a two-beam-coupling gain coefficient of Γ = 17 cm-1 at 54.5 V/μm under our experimental conditions.

© 2004 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(090.1000) Holography : Aberration compensation
(100.3020) Image processing : Image reconstruction-restoration
(190.5330) Nonlinear optics : Photorefractive optics

Original Manuscript: September 2, 2003
Revised Manuscript: February 2, 2004
Published: May 20, 2004

Jeffrey G. Winiarz and Fassil Ghebremichael, "Beam cleanup and image restoration with a photorefractive polymeric composite," Appl. Opt. 43, 3166-3170 (2004)

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