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Compact wide-angle array camera for presence detection

: Gassner, C.; Dunkel, J.; Oberdörster, A.; Brückner, A.


Wibool, Piyawattanametha (Ed.) ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
MOEMS and Miniaturized Systems XVII : 30-31 January 2018, San Francisco, California, United States
Bellingham, WA: SPIE, 2018 (Proceedings of SPIE 10545)
ISBN: 978-1-5106-1575-5
ISBN: 978-1-5106-1576-2
Paper 105450B, 8 S.
Conference "MOEMS and Miniaturized Systems" <17, 2018, San Francisco/Calif.>
Fraunhofer IOF ()

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.