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SPAD-based 3D sensors for high ambient illumination

: Beer, Maik; Hosticka, Bedrich J.; Kokozinski, Rainer


Institute of Electrical and Electronics Engineers -IEEE-:
12th Conference on Ph.D. Research in Microelectronics and Electronics, PRIME 2016 : 27th - 30th of June 2016, Lisbon, Portugal
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-0492-8
ISBN: 978-1-5090-0493-5
4 S.
Conference on Ph.D. Research in Microelectronics and Electronics (PRIME) <12, 2016, Lisbon>
Fraunhofer IMS ()
single-photon avalanche diode (SPAD); Time-of-Flight (ToF); range imaging; ambient illumination

With the possibility of fabricating single-photon avalanche diodes in standard CMOS processes, arrays for range imaging applications have been developed. Proper operation in high ambient illumination environments is one of the major issues of scannerless sensors published so far. In this paper a theoretical study of the direct and indirect working principle regarding high ambient illumination is shown. Further, new concepts based on these principles to reduce the sensitivity to ambient light are presented.