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Media type:
E-Article
Title:
Optical touch screen based on waveguide sensing
Contributor:
Pedersen, Henrik C.;
Jakobsen, Michael L.;
Hanson, Steen G.;
Mosgaard, Morten;
Iversen, Theis;
Korsgaard, Jorgen
Published:
AIP Publishing, 2011
Published in:
Applied Physics Letters, 99 (2011) 6
Language:
English
DOI:
10.1063/1.3615656
ISSN:
0003-6951;
1077-3118
Origination:
Footnote:
Description:
We disclose a simple, optical touch screen technique based on a planar injection molded polymer waveguide, a single laser, and a small linear detector array. The solution significantly reduces the complexity and cost as compared to existing optical touch technologies. Force detection of a touching finger is also demonstrated.