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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 27 — Sep. 20, 2004
  • pp: 5193–5197

Liquid-crystal blazed grating with azimuthally distributed liquid-crystal directors

Michinori Honma and Toshiaki Nose  »View Author Affiliations


Applied Optics, Vol. 43, Issue 27, pp. 5193-5197 (2004)
http://dx.doi.org/10.1364/AO.43.005193


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Abstract

We propose a novel formation method of arbitrary phase profiles of circular light by controlling azimuthal angles of liquid-crystal directors; its principle is described theoretically. A new liquid-crystal blazed grating is demonstrated by use of the proposed method. It is revealed that the first-order diffraction efficiency reaches the maximum value (theoretically 100%, experimentally approximately 90%) at an optimum applied voltage when the phase difference between the extraordinary and ordinary rays agrees with one-half the wavelength. Furthermore, the polarization states of the diffracted light beams are analyzed by Stokes parameter measurements, and unique polarization-splitting properties are revealed.

© 2004 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices

History
Original Manuscript: March 1, 2004
Revised Manuscript: May 24, 2004
Manuscript Accepted: May 26, 2004
Published: September 20, 2004

Citation
Michinori Honma and Toshiaki Nose, "Liquid-crystal blazed grating with azimuthally distributed liquid-crystal directors," Appl. Opt. 43, 5193-5197 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-27-5193


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