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22 April 2015 Fabricating optical lenses by inkjet printing and heat-assisted in situ curing of polydimethylsiloxane for smartphone microscopy
Yu-Lung Sung, Jenn Jeang, Chia-Hsiung Lee, Wei-Chuan Shih
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Journal of Biomedical Optics, Vol. 20, Issue 4, 047005 (April 2015). https://doi.org/10.1117/1.JBO.20.4.047005
Abstract
We present a highly repeatable, lithography-free and mold-free method for fabricating flexible optical lenses by in situ curing liquid polydimethylsiloxane droplets on a preheated smooth surface with an inkjet printing process. This method enables us to fabricate lenses with a focal length as short as 5.6 mm, which can be controlled by varying the droplet volume and the temperature of the preheated surface. Furthermore, the lens can be attached to a smartphone camera without any accessories and can produce high-resolution (1  μm) images for microscopy applications.
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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Yu-Lung Sung, Jenn Jeang, Chia-Hsiung Lee, and Wei-Chuan Shih "Fabricating optical lenses by inkjet printing and heat-assisted in situ curing of polydimethylsiloxane for smartphone microscopy," Journal of Biomedical Optics 20(4), 047005 (22 April 2015). https://doi.org/10.1117/1.JBO.20.4.047005
Published: 22 April 2015
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Cited by 91 scholarly publications and 1 patent.
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KEYWORDS
Lenses
Printing
Inkjet technology
Microscopes
Visibility
Microscopy
Cameras
CHORUS Article. This article was made freely available starting 21 April 2016
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