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Title: Maximum optical dose detection with a 16x16 monolithic thyristor array
Authors: Kuijk, M
Heremans, Paul
Vounckx, R
Borghs, Gustaaf #
Issue Date: Apr-1992
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Photonics Technology Letters vol:4 issue:4 pages:399-401
Abstract: We report on the fabrication of a 2-D array (16 x 16) of optical thyristors connected into a winner-takes-all network with capability of spatially resolved maximum optical dose detection. In every pixel of the network, optical energy is integrated in time (during up to 1 ms) by means of precharging of the optoelectronic thyristors. At the moment of verdict, a voltage step is applied to the whole 256 element array. Only the element with the highest stored charge then switches on and holds off all other thyristors. A differential resolution of 80 pJ optical energy has been measured, while the time to take the appropriate decision is less than 150 ns.
URI: 
ISSN: 1041-1135
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
ESAT - MICAS, Microelectronics and Sensors
# (joint) last author

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