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A CMOS detector with combined in-situ demodulation and image acquisition

: Hehemann, I.; Brockherde, W.; Kemna, A.; Hosticka, B.J.


Chatard, J.-P. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Detectors and associated signal processing : 1 - 2 October 2003, St. Etienne, France
Bellingham/Wash.: SPIE, 2004 (SPIE Proceedings Series 5251)
ISBN: 0-8194-5135-5
Conference "Detectors and Associated Signal Processing" <2003, St. Etienne>
Fraunhofer IMS ()
optical detector; optical storage; fiber transmission; automatic adjustment; automatic alignment; CMOS; Detektor; optischer Speicher

All optoelectronic detectors today are based either on integrating or demodulating readout approaches. In this paper we introduce an optical detector that in-situ combines these two readout methods thus enabling simultaneous demodulation and image acquisition of the impinging light signal. Measurement results of a realized chip for optical storage systems with six demodulating paths and a 5x5 matrix of integrating pixels are presented. Furthermore, approaches for system integration of the novel architecture in the field of optical storage and fibre transmission systems are described.