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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12757–12766

Light curtain for 2D large-area object detection

Petr Bartu, Anton Neulinger, Bernhard Jakoby, Siegfried Bauer, and Robert Koeppe  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12757-12766 (2013)

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Fluorescent foils are used with silicon photodiodes for large-area detection of objects, when combined with lasers forming a light curtain. An object entering the detection area penetrates the light curtain and casts shadows onto the fluorescent foils. Using a simple mathematical algorithm, the position of the object is detected with high speed. The device is suitable for security applications and can be used as a touch input device for computers, gaming and presentations.

© 2013 OSA

OCIS Codes
(040.5160) Detectors : Photodetectors
(160.2540) Materials : Fluorescent and luminescent materials
(230.7390) Optical devices : Waveguides, planar
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:

Original Manuscript: January 3, 2013
Revised Manuscript: April 3, 2013
Manuscript Accepted: April 22, 2013
Published: May 16, 2013

Petr Bartu, Anton Neulinger, Bernhard Jakoby, Siegfried Bauer, and Robert Koeppe, "Light curtain for 2D large-area object detection," Opt. Express 21, 12757-12766 (2013)

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