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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 17 — Jun. 10, 2003
  • pp: 3428–3434

Amplitude, Phase, and Hybrid Ternary Modulation Modes of a Twisted-Nematic Liquid-Crystal Display at ~400 nm

Judit Reményi, Péter Várhegyi, László Domján, Pál Koppa, and Emõke Lõrincz  »View Author Affiliations


Applied Optics, Vol. 42, Issue 17, pp. 3428-3434 (2003)
http://dx.doi.org/10.1364/AO.42.003428


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Abstract

Applicability of a commercial twisted-nematic liquid-crystal display is examined at ~400 nm. Different modulation modes predicted by Jones-matrix calculus are experimentally tested. High contrast amplitude modulation with negligible loss, high contrast and low loss hybrid ternary modulation, and 1.5π continuous phase delay without intensity modulation and with low loss are presented. Simulation results of a 4f holographic system prove the usefulness of the high contrast for amplitude modulation, and the importance of π phase difference between high transmission white levels in a hybrid ternary modulation.

© 2003 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(210.2860) Optical data storage : Holographic and volume memories
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

Citation
Judit Reményi, Péter Várhegyi, László Domján, Pál Koppa, and Emõke Lõrincz, "Amplitude, Phase, and Hybrid Ternary Modulation Modes of a Twisted-Nematic Liquid-Crystal Display at ~400 nm," Appl. Opt. 42, 3428-3434 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-17-3428


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