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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 7 — Jul. 17, 2006

Tunable fly’s-eye lens made of patterned polymer-dispersed liquid crystal

Y. J. Liu, X. W. Sun, P. Shum, and X. J. Yin  »View Author Affiliations


Optics Express, Vol. 14, Issue 12, pp. 5634-5640 (2006)
http://dx.doi.org/10.1364/OE.14.005634


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Abstract

A fly’s-eye lens was fabricated using polymer-dispersed liquid crystals and its optical properties were evaluated. The morphologies were examined under an optical microscope. The forming process has been simulated based on a patterned photo-polymerization technique in which the spatially modulated reaction rate has been coupled with the time-dependent Ginzburg-Landau (TDGL) equations with the free energies relating to isotropic mixing, nematic ordering, and network elasticity incorporated. The simulated results are in good agreement with the experimental results. The beam profile was tested using a CCD. The results showed that this fly’s-eye lens could modulate a Gaussian beam into a mesa-like beam. Such device is potentially useful in beam shaping and many illumination systems that require uniform beam profile.

© 2006 Optical Society of America

OCIS Codes
(080.3630) Geometric optics : Lenses
(160.5470) Materials : Polymers
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: April 3, 2006
Revised Manuscript: May 9, 2006
Manuscript Accepted: May 11, 2006
Published: June 12, 2006

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Y. J. Liu, X. W. Sun, P. Shum, and X. J. Yin, "Tunable fly’s-eye lens made of patterned polymer-dispersed liquid crystal," Opt. Express 14, 5634-5640 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-14-12-5634


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