Light curtain for 2D large-area object detection

Petr Bartu; Anton Neulinger; Bernhard Jakoby; Siegfried Bauer; Robert Koeppe

doi:10.1364/OE.21.012757

Light curtain for 2D large-area object detection

Petr Bartu, Anton Neulinger, Bernhard Jakoby, Siegfried Bauer, Robert Koeppe

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	12757-12766
Number of pages	10
Journal	Optics Express
Volume	21
Issue number	10
DOIs	https://doi.org/10.1364/OE.21.012757
Publication status	Published - May 2013

Fields of science

203017 Micromechanics
202028 Microelectronics
202039 Theoretical electrical engineering
202037 Signal processing
202027 Mechatronics
202036 Sensor systems

JKU Focus areas

Mechatronics and Information Processing

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10.1364/OE.21.012757

Cite this

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title = "Light curtain for 2D large-area object detection",

abstract = "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.",

author = "Petr Bartu and Anton Neulinger and Bernhard Jakoby and Siegfried Bauer and Robert Koeppe",

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AU - Bartu, Petr

AU - Neulinger, Anton

AU - Jakoby, Bernhard

AU - Bauer, Siegfried

AU - Koeppe, Robert

PY - 2013/5

Y1 - 2013/5

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84878614262

U2 - 10.1364/OE.21.012757

DO - 10.1364/OE.21.012757

M3 - Article

SN - 1094-4087

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JO - Optics Express

JF - Optics Express

IS - 10

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Light curtain for 2D large-area object detection

Abstract

Fields of science

JKU Focus areas

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