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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 12 — Dec. 19, 2012

A bio-inspired polymeric gradient refractive index (GRIN) human eye lens

Shanzuo Ji, Michael Ponting, Richard S. Lepkowicz, Armand Rosenberg, Richard Flynn, Guy Beadie, and Eric Baer  »View Author Affiliations

Optics Express, Vol. 20, Issue 24, pp. 26746-26754 (2012)

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A synthetic polymeric lens was designed and fabricated based on a bio-inspired, “Age=5” human eye lens design by utilizing a nanolayered polymer film-based technique. The internal refractive index distribution of an anterior and posterior GRIN lens were characterized and confirmed against design by µATR-FTIR. 3D surface topography of the fabricated aspheric anterior and posterior lenses was measured by placido-cone topography and exhibited confirmation of the desired aspheric surface shape. Furthermore, the wavefronts of aspheric posterior GRIN and PMMA lenses were measured and simulated by interferometry and Zemax software, respectively. Their results show that the gradient index distribution reduces the overall wavefront error as compared a homogenous PMMA lens of an identical geometry. Finally, the anterior and posterior GRIN lenses were assembled into a bio-inspired GRIN human eye lens through which a clear imaging was possible.

© 2012 OSA

OCIS Codes
(110.2760) Imaging systems : Gradient-index lenses
(160.5470) Materials : Polymers
(220.1250) Optical design and fabrication : Aspherics
(230.4170) Optical devices : Multilayers

ToC Category:
Optical Design and Fabrication

Original Manuscript: August 21, 2012
Revised Manuscript: October 3, 2012
Manuscript Accepted: October 4, 2012
Published: November 13, 2012

Virtual Issues
Vol. 7, Iss. 12 Virtual Journal for Biomedical Optics

Shanzuo Ji, Michael Ponting, Richard S. Lepkowicz, Armand Rosenberg, Richard Flynn, Guy Beadie, and Eric Baer, "A bio-inspired polymeric gradient refractive index (GRIN) human eye lens," Opt. Express 20, 26746-26754 (2012)

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