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Proceedings Paper

Compact wide-angle array camera for presence detection
Author(s): Christin Gassner; Jens Dunkel; Alexander Oberdörster; Andreas Brückner
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Paper Abstract

Intelligent light management systems are intended to detect the presence of people for enabling a customized lighting control. State-of-the-art systems are based on passive infrared sensors or conventional surveillance cameras. However, they either require a recurring motion within the detected field of view or they are not well-accepted by consumers.

We present the optical design of a highly miniaturized, wide-angle camera, which acquires a large field of view of 110° and offers an ultra-thin appearance with a z - height of less than 1 mm. This combination is achieved by means of multiaperture imaging. The implemented demonstrator contains a double-sided, refractive freeform array combined with a baffle array, which prevents optical crosstalk between the multiple optical channels. Both components are aligned in front of a CMOS sensor.

Paper Details

Date Published: 22 February 2018
PDF: 8 pages
Proc. SPIE 10545, MOEMS and Miniaturized Systems XVII, 105450B (22 February 2018); doi: 10.1117/12.2289852
Show Author Affiliations
Christin Gassner, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Jens Dunkel, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Alexander Oberdörster, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Brückner, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)


Published in SPIE Proceedings Vol. 10545:
MOEMS and Miniaturized Systems XVII
Wibool Piyawattanametha; Yong-Hwa Park; Hans Zappe, Editor(s)

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