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In this paper, we introduce the 3D design of a vector light sensor for angular proximity detection applications. The sensor structure is based on creating photo sensors on side walls of micro-sized (micron scale) mesa pyramids etched in silicon. On each facet of the mesa pyramid, p-n junctions are formed and used as photodiodes. Unlike planar pixels, this 3D pixel design allows for estimation of the...
In this paper, we propose a novel design for a three dimensional proximity sensor. The novel design takes advantage of rapid prototyping capabilities offered by 3D printing to produce mesa pyramids with a 55 ° base angle that comprise a two-pixel system. The two pixel system combines photoconductivity and plane wave propagation properties of a radiative source to approximate the source distance as...
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