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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 2209–2218

Video-speed detection of the absolute position of a light point on a large-area photodetector based on luminescent waveguides

Robert Koeppe, Anton Neulinger, Petr Bartu, and S. Bauer  »View Author Affiliations

Optics Express, Vol. 18, Issue 3, pp. 2209-2218 (2010)

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A large-area photosensor is presented that uses the coupling of light into the planar waveguide mode of a polycarbonate foil by luminescent dyes to extend the active area of silicon photodiodes attached to the surface of the foil in a regular pattern. The photodiode signal is directly related to the distance between the point where light is coupled into the foil and the photodiode, thus enabling a precise recovery of the position of a localized light signal hitting the foil. We present a large-area device that can trace the movement of a light point generated by a laser pointer hitting its surface.

© 2010 OSA

OCIS Codes
(230.5160) Optical devices : Photodetectors
(230.7390) Optical devices : Waveguides, planar
(250.5230) Optoelectronics : Photoluminescence
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing

Original Manuscript: November 13, 2009
Revised Manuscript: December 28, 2009
Manuscript Accepted: December 28, 2009
Published: January 19, 2010

Robert Koeppe, Anton Neulinger, Petr Bartu, and S. Bauer, "Video-speed detection of the absolute position of a light point on a large-area photodetector based on luminescent waveguides," Opt. Express 18, 2209-2218 (2010)

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