Combined split-cell and linear position-sensing diodes

Evan D. Green; Ernie B. Evans

doi:10.1117/12.236143

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25 March 1996 Combined split-cell and linear position-sensing diodes

Evan D. Green, Ernie B. Evans

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Proceedings Volume 2686, Integrated Optics and Microstructures III; (1996) https://doi.org/10.1117/12.236143
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

By fabricating a discrete cell photodiode with multiple edge contacts, and allowing for operation under two different current sensing schemes, a diode which operates optionally as either a continuous or discrete cell position sensitive photodetector has been realized. Inclusion of on-chip CMOS switching circuitry enables a user of such a photodetector to change its operating mode by the use of a single digital input line. Experimental results of the dual mode photodiode with switching circuitry are presented in this paper.

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Evan D. Green and Ernie B. Evans "Combined split-cell and linear position-sensing diodes", Proc. SPIE 2686, Integrated Optics and Microstructures III, (25 March 1996); https://doi.org/10.1117/12.236143

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