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A CMOS photodiode array with linearized spectral response and spatially distributed light intensity detection for the use in optical storage systems

 
: Hehemann, Ingo; Özkan, Erol; Kemna, Armin; Brockherde, Werner; Hosticka, Bedrich J.; Hofmann, Holger

Baccarani, G.:
ESSDERC 2002. Proceedings of the 32nd European Solid-State Device Research Conference : 24-26 September 2002 Firenze, Italy
Bologna: University of Bologna, 2002
ISBN: 88-900847-8-2
S.431-434
European Solid-State Device Research Conference (ESSDERC) <32, 2002, Firenze>
Englisch
Konferenzbeitrag
Fraunhofer IMS ()
CMOS photodiode array; spatially distributed light intensity detection; optical storage system; photodiode array layout; optical pickup unit; data recovery diode resolution; spatial light intensity; crosstalk isolation; linearized spectral response; photocurrent readout; twin well CMOS technology; 0.6 micron; diodes; photodiodes

Abstract
This paper presents a special photodiode array layout to be used in optical pickup units in combination with optical storage systems. Apart from the features that a standard array offers, this design enables higher resolution of the data recovery diodes. Furthermore, additional diodes for the determination of the spatial light intensity are included. The special layout of the array ensures crosstalk isolation and linearizes the spectral response of the data recovery diodes, enabling lower circuitry requirements for the readout of the photocurrent. The structure was fabricated in standard 0.6 mu m twin well CMOS technology.

: http://publica.fraunhofer.de/dokumente/N-16619.html