Document Detail


Vertical triple-junction RGB optical sensor with signal processing based on the determination of the space-charge region borders.
MedLine Citation:
PMID:  25166069     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A triple-junction RGB optical sensor with vertically stacked photodiodes and signal processing that provides precise values of the currents generated by blue, green, and red light is presented. The signal processing is based on the determination of the border depths of the space-charge regions of all three photodiodes. A current-mode implementation using current conveyors and variable-gain current amplifiers is introduced. The responsivities of all three photodiodes calculated using the proposed approach are in very good agreement with the measured results.
Authors:
Nikša Tadić; Stefan Schidl; Horst Zimmermann
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  39     ISSN:  1539-4794     ISO Abbreviation:  Opt Lett     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-08-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5042-5     Citation Subset:  IM    
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