Stretchable Binary Fresnel Lens for Focus Tuning

This paper presents a tuneable binary amplitude Fresnel lens produced by wafer-level microfabrication. The Fresnel lens is fabricated by encapsulating lithographically defined vertically aligned carbon nanotube (CNT) bundles inside a polydimethyl-siloxane (PDMS) layer. The composite lens material co...

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Detalles Bibliográficos
Autores principales: Li, Xueming, Wei, Lei, Poelma, René H., Vollebregt, Sten, Wei, Jia, Urbach, Hendrik Paul, Sarro, Pasqualina M., Zhang, Guo Qi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4853789/
https://www.ncbi.nlm.nih.gov/pubmed/27139747
http://dx.doi.org/10.1038/srep25348
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author Li, Xueming
Wei, Lei
Poelma, René H.
Vollebregt, Sten
Wei, Jia
Urbach, Hendrik Paul
Sarro, Pasqualina M.
Zhang, Guo Qi
author_facet Li, Xueming
Wei, Lei
Poelma, René H.
Vollebregt, Sten
Wei, Jia
Urbach, Hendrik Paul
Sarro, Pasqualina M.
Zhang, Guo Qi
author_sort Li, Xueming
collection PubMed
description This paper presents a tuneable binary amplitude Fresnel lens produced by wafer-level microfabrication. The Fresnel lens is fabricated by encapsulating lithographically defined vertically aligned carbon nanotube (CNT) bundles inside a polydimethyl-siloxane (PDMS) layer. The composite lens material combines the excellent optical absorption properties of the CNT with the transparency and stretchability of the PDMS. By stretching the elastomeric composite in radial direction, the lens focal length is tuned. Good focusing response is demonstrated and a large focus change (≥24%) was achieved by stretching lenses up to 11.4%.
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spelling pubmed-48537892016-05-16 Stretchable Binary Fresnel Lens for Focus Tuning Li, Xueming Wei, Lei Poelma, René H. Vollebregt, Sten Wei, Jia Urbach, Hendrik Paul Sarro, Pasqualina M. Zhang, Guo Qi Sci Rep Article This paper presents a tuneable binary amplitude Fresnel lens produced by wafer-level microfabrication. The Fresnel lens is fabricated by encapsulating lithographically defined vertically aligned carbon nanotube (CNT) bundles inside a polydimethyl-siloxane (PDMS) layer. The composite lens material combines the excellent optical absorption properties of the CNT with the transparency and stretchability of the PDMS. By stretching the elastomeric composite in radial direction, the lens focal length is tuned. Good focusing response is demonstrated and a large focus change (≥24%) was achieved by stretching lenses up to 11.4%. Nature Publishing Group 2016-05-03 /pmc/articles/PMC4853789/ /pubmed/27139747 http://dx.doi.org/10.1038/srep25348 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Li, Xueming
Wei, Lei
Poelma, René H.
Vollebregt, Sten
Wei, Jia
Urbach, Hendrik Paul
Sarro, Pasqualina M.
Zhang, Guo Qi
Stretchable Binary Fresnel Lens for Focus Tuning
title Stretchable Binary Fresnel Lens for Focus Tuning
title_full Stretchable Binary Fresnel Lens for Focus Tuning
title_fullStr Stretchable Binary Fresnel Lens for Focus Tuning
title_full_unstemmed Stretchable Binary Fresnel Lens for Focus Tuning
title_short Stretchable Binary Fresnel Lens for Focus Tuning
title_sort stretchable binary fresnel lens for focus tuning
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4853789/
https://www.ncbi.nlm.nih.gov/pubmed/27139747
http://dx.doi.org/10.1038/srep25348
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