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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 8 — Mar. 10, 1999
  • pp: 1287–1294

Angular-scattering characteristics of ferroelectric liquid-crystal electro-optical devices operating in the transient-scattering and the extended-scattering modes

Kenneth L. Marshall, Joshua Haddock, Nathan Bickel, Dianne Singel, and Stephen D. Jacobs  »View Author Affiliations


Applied Optics, Vol. 38, Issue 8, pp. 1287-1294 (1999)
http://dx.doi.org/10.1364/AO.38.001287


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Abstract

The angular distribution of forward-scattered light in transient-scattering-mode (TSM) and extended-scattering-mode (ESM) ferroelectric liquid-crystal (FLC) devices was evaluated by use of circularly polarized incident light. For both modes the intensity and the distribution of forward-scattered light depended primarily on the FLC birefringence, spontaneous polarization, and the cell path length. In the FLC materials examined, the forward-scattering intensity under ESM drive conditions increased with longer FLC pitch lengths, whereas under TSM conditions stronger forward scattering was observed with increasing FLC spontaneous polarization. Although both TSM and ESM drive conditions displayed a similar angular distribution for forward-scattered light, the intensity of ESM scattering over a 0°–6° range was considerably smaller than that observed in earlier experiments with linearly polarized incident light.

© 1999 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(160.2100) Materials : Electro-optical materials
(160.2260) Materials : Ferroelectrics
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices
(230.4110) Optical devices : Modulators
(260.3060) Physical optics : Infrared
(290.5820) Scattering : Scattering measurements

History
Original Manuscript: February 17, 1998
Revised Manuscript: September 28, 1998
Published: March 10, 1999

Citation
Kenneth L. Marshall, Joshua Haddock, Nathan Bickel, Dianne Singel, and Stephen D. Jacobs, "Angular-scattering characteristics of ferroelectric liquid-crystal electro-optical devices operating in the transient-scattering and the extended-scattering modes," Appl. Opt. 38, 1287-1294 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-8-1287

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