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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 1 — Jan. 1, 2012
  • pp: 52–54

Enhancement of the broadband modulation diffraction efficiency of liquid-crystal displays

Jorge Albero, Ignacio Moreno, and Juan Campos  »View Author Affiliations


Optics Letters, Vol. 37, Issue 1, pp. 52-54 (2012)
http://dx.doi.org/10.1364/OL.37.000052


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Abstract

We report a method to maximize the broadband modulation diffraction efficiency of liquid-crystal spatial light modulators for polychromatic applications requiring a wide range of wavelengths. An optimized encoding pattern based on the minimum Euclidean projection principle is applied in order to increase the diffraction efficiency at large wavelengths that exhibit phase modulation depth lower than 2π. We demonstrate modulation efficiencies over 80% on a wavelength range from 454 to 633 nm, which can reach up to 98% when the range is reduced to 60 nm. Experimental results are shown to confirm the calculations.

© 2012 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(050.5080) Diffraction and gratings : Phase shift
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Optical Devices

History
Original Manuscript: September 28, 2011
Revised Manuscript: November 16, 2011
Manuscript Accepted: November 17, 2011
Published: December 22, 2011

Citation
Jorge Albero, Ignacio Moreno, and Juan Campos, "Enhancement of the broadband modulation diffraction efficiency of liquid-crystal displays," Opt. Lett. 37, 52-54 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-1-52


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