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25 July 2013 Polymeric nanolayered gradient refractive index lenses: technology review and introduction of spherical gradient refractive index ball lenses
Shanzuo Ji, Kezhen Yin, Matthew Mackey, Aaron Brister, Michael Ponting, Eric Baer
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Optical Engineering, Vol. 52, Issue 11, 112105 (July 2013). https://doi.org/10.1117/1.OE.52.11.112105
Abstract
A nanolayered polymer films approach to designing and fabricating gradient refractive index (GRIN) lenses with designer refractive index distribution profiles and an independently prescribed lens surface geometry have been demonstrated to produce a new class of optics. This approach utilized nanolayered polymer materials, constructed with polymethylmethacrylate and a styrene-co-acrylonitrile copolymer with a tailorable refractive index intermediate to bulk materials, to fabricate discrete GRIN profile materials. A process to fabricate nanolayered polymer GRIN optics from these materials through thermoforming and finishing steps is reviewed. A collection of technology-demonstrating previously reported nanolayered GRIN case studies is presented that include: (1) the optical performance of a f/# 2.25 spherical GRIN plano-convex singlet with one quarter (2) the weight of a similar BK7 lens and a bio-inspired aspheric human eye GRIN lens. Original research on the fabrication and characterization of a Luneburg inspired GRIN ball lens is presented as a developing application of the nanolayered polymer technology.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Shanzuo Ji, Kezhen Yin, Matthew Mackey, Aaron Brister, Michael Ponting, and Eric Baer "Polymeric nanolayered gradient refractive index lenses: technology review and introduction of spherical gradient refractive index ball lenses," Optical Engineering 52(11), 112105 (25 July 2013). https://doi.org/10.1117/1.OE.52.11.112105
Published: 25 July 2013
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Cited by 57 scholarly publications and 3 patents.
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KEYWORDS
GRIN lenses
Refractive index
Polymers
Photorefractive polymers
Lenses
Spherical lenses
Eye
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