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Journal article

Optical touch screen based on waveguide sensing

By Pedersen, Henrik Chresten1,2; Jakobsen, Michael Linde2,3; Hanson, Steen Grüner2,3; Mosgaard, Morten4; Iversen, Theis4; Korsgaard, Jorgen4

From

Optical Microsensors and Micromaterials, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

Optical Sensor Technology, Department of Photonics Engineering, Technical University of Denmark3

Opdi Technologies A/S4

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.

Language: English
Publisher: American Institute of Physics
Year: 2011
Pages: 061102
ISSN: 10773118 and 00036951
Types: Journal article
DOI: 10.1063/1.3615656
ORCIDs: Pedersen, Henrik Chresten , Jakobsen, Michael Linde and Hanson, Steen Grüner

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