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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 10 — May. 7, 2012
  • pp: 11159–11165

Optimization of refractive liquid crystal lenses using an efficient multigrid simulation

Harry Milton, Paul Brimicombe, Philip Morgan, Helen Gleeson, and John Clamp  »View Author Affiliations

Optics Express, Vol. 20, Issue 10, pp. 11159-11165 (2012)

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Abstract: A multigrid computational model has been developed to assess the performance of refractive liquid crystal lenses, which is up to 40 times faster than previous techniques. Using this model, the optimum geometries producing an ideal parabolic voltage distribution were deduced for refractive liquid crystal lenses with diameters from 1 to 9 mm. The ratio of insulation thickness to lens diameter was determined to be 1:2 for small diameter lenses, tending to 1:3 for larger lenses. The model is used to propose a new method of lens operation with lower operating voltages needed to induce specific optical powers. The operating voltages are calculated for the induction of optical powers between + 1.00 D and + 3.00 D in a 3 mm diameter lens, with the speed of the simulation facilitating the optimization of the refractive index profile. We demonstrate that the relationship between additional applied voltage and optical power is approximately linear for optical powers under + 3.00 D. The versatility of the computational simulation has also been demonstrated by modeling of in-plane electrode liquid crystal devices.

© 2012 OSA

OCIS Codes
(220.3630) Optical design and fabrication : Lenses
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Design and Fabrication

Original Manuscript: March 22, 2012
Revised Manuscript: April 27, 2012
Manuscript Accepted: April 27, 2012
Published: April 30, 2012

Harry Milton, Paul Brimicombe, Philip Morgan, Helen Gleeson, and John Clamp, "Optimization of refractive liquid crystal lenses using an efficient multigrid simulation," Opt. Express 20, 11159-11165 (2012)

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