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Proceedings Paper

Simulation of crosstalk and quantum efficiency in high-resolution UV-blue imaging arrays
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Paper Abstract

The current development of UV-Blue sensitive photo-detectors has lead to investigations with the polywell-stacked gradient poly-homojunction (StaG) configuration. Backwall illumination is of interest due to increased fill factor and pixel wavelength band tailoring. The StaG architecture has benefits. However, for benefit to backwall illumination the space charge region needs to be depleted to the backwall, possibly dispensing with the need for the StaG multi-layer. This research is an initial investigation of the benefit to crosstalk and sensitivity of the deep single well in high resolution, 5 μm pitch, photodiode arrays. The results indicate that geometries that are of fabricatable morphology can benefit backwall illumination especially in the U/V-blue wavelength spectrum.

Paper Details

Date Published: 23 December 2011
PDF: 8 pages
Proc. SPIE 8204, Smart Nano-Micro Materials and Devices, 82042X (23 December 2011); doi: 10.1117/12.903295
Show Author Affiliations
Paul V. Jansz, Edith Cowan Univ. (Australia)
Steven Hinckley, Edith Cowan Univ. (Australia)

Published in SPIE Proceedings Vol. 8204:
Smart Nano-Micro Materials and Devices
Saulius Juodkazis; Min Gu, Editor(s)

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