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Optics Letters

Optics Letters


  • Vol. 28, Iss. 17 — Sep. 1, 2003
  • pp: 1510–1512

Edge-enhanced imaging with polyvinyl alcohol /acrylamide photopolymer gratings

Andérs Márquez, Cristian Neipp, Augusto Beléndez, Sergi Gallego, Manuel Ortuño, and Inmaculada Pascual  »View Author Affiliations

Optics Letters, Vol. 28, Issue 17, pp. 1510-1512 (2003)

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We demonstrate edge-enhanced imaging produced by volume phase gratings recorded on a polyvinyl alcohol/acrylamide photopolymer. Bragg diffraction, exhibited by volume gratings, modifies the impulse response of the imaging system, facilitating spatial filtering operations with no need for a physical Fourier plane. We demonstrate that Kogelnik’s coupled-wave theory can be used to calculate the transfer function for the transmitted and the diffracted orders. The experimental and simulated results agree, and they demonstrate the feasibility of our proposal.

© 2003 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(090.7330) Holography : Volume gratings
(100.1160) Image processing : Analog optical image processing
(160.5470) Materials : Polymers

Andérs Márquez, Cristian Neipp, Augusto Beléndez, Sergi Gallego, Manuel Ortuño, and Inmaculada Pascual, "Edge-enhanced imaging with polyvinyl alcohol /acrylamide photopolymer gratings," Opt. Lett. 28, 1510-1512 (2003)

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