Title :
320×240 oversampled digital single photon counting image sensor
Author :
Dutton, Neale A. W. ; Parmesan, Luca ; Holmes, Andrew J. ; Grant, Lindsay A. ; Henderson, Robert K.
Author_Institution :
CMOS Sensors & Syst. Group, Univ. of Edinburgh, Edinburgh, UK
Abstract :
A 320×240 single photon avalanche diode (SPAD) based single photon counting image sensor is implemented in 0.13μm imaging CMOS with state of the art 8μm pixel pitch at 26.8% fill factor. The imager is demonstrated operating as a global shutter (GS) oversampled binary image sensor reading out at 5.14kFPS. Frames are accumulated in real time on FPGA to construct a 256 photon/8bit output image at 20FPS.
Keywords :
CMOS image sensors; avalanche photodiodes; integrated optics; optical sensors; photon counting; 320×240 oversampled digital single photon counting image sensor; 320x240 single photon avalanche diode; FPGA; GS oversampled binary image sensor; SPAD; global shutter; imaging CMOS process; size 0.13 mum; Abstracts; CMOS integrated circuits; CMOS technology; Gain measurement; Image resolution; Image sensors; Random access memory; CMOS; Image Sensor; Oversampling; SPAD; Single Photon Counting;
Conference_Titel :
VLSI Circuits Digest of Technical Papers, 2014 Symposium on
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-4799-3327-3
DOI :
10.1109/VLSIC.2014.6858428
