Optical touch screen based on waveguide sensing

Henrik Chresten Pedersen, Michael Linde Jakobsen, Steen Grüner Hanson, Morten Mosgaard, Theis Iversen, Jorgen Korsgaard

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    Abstract

    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.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume99
    Issue number6
    Pages (from-to)061102
    ISSN0003-6951
    DOIs
    Publication statusPublished - 2011

    Bibliographical note

    Copyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, Volume 99, Issue 6 and may be found at http://apl.aip.org/resource/1/applab/v99/i6/p061102_s1.

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