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Optics Letters

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  • Vol. 19, Iss. 20 — Oct. 15, 1994
  • pp: 1654–1656

Fractional Talbot four-level phase-only holograms using ferroelectric liquid-crystal spatial light modulators

H. Hamam and J. L. de Bougrenet de la Tocnaye  »View Author Affiliations


Optics Letters, Vol. 19, Issue 20, pp. 1654-1656 (1994)
http://dx.doi.org/10.1364/OL.19.001654


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Abstract

We propose a new technique for generating a four-level reconfigurable phase-only hologram, using two binary phase {0, π} ferroelectric liquid-crystal spatial light modulators. The principle is based on the self-imaging properties of periodic structures operating in a Fresnel field double-diffraction system. Fractional Talbot planes are shown to be of particular interest. The problem of hologram bandwidth reduction that results from the holographic pattern replication is addressed. A trade-off between diffraction efficiency and hologram coding capacity is considered.

© 1994 Optical Society of America

History
Original Manuscript: April 4, 1994
Published: October 15, 1994

Citation
H. Hamam and J. L. de Bougrenet de la Tocnaye, "Fractional Talbot four-level phase-only holograms using ferroelectric liquid-crystal spatial light modulators," Opt. Lett. 19, 1654-1656 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-20-1654


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References

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