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Applied Optics

Applied Optics


  • Vol. 37, Iss. 20 — Jul. 10, 1998
  • pp: 4337–4346

Reconfigurable two-dimensional diffractive phase element with the fractional Talbot effect

Renaud Moignard and Jean-Louis de Bougrenet de la Tocnaye  »View Author Affiliations

Applied Optics, Vol. 37, Issue 20, pp. 4337-4346 (1998)

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We investigate the technical feasibility of the optical implementation of a four-phase-level diffractive element with two {0, π}-phase spatial light modulators in a fractional Talbot configuration. The space–bandwidth product of the spatial light modulators is seen as the main theoretical limitation of the proposed approach. We investigate the robustness of technological and geometrical parameters on the diffraction efficiency of the whole system. Ferroelectric liquid-crystal silicon backplane spatial light modulators are chosen because of their high reconfiguration rates and good electro-optics interface. Similarly, we assess the influence of liquid-crystal technical parameters on system performance.

© 1998 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(160.2260) Materials : Ferroelectrics

Original Manuscript: November 4, 1997
Revised Manuscript: March 23, 1998
Published: July 10, 1998

Renaud Moignard and Jean-Louis de Bougrenet de la Tocnaye, "Reconfigurable two-dimensional diffractive phase element with the fractional Talbot effect," Appl. Opt. 37, 4337-4346 (1998)

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