18 December 2000 Multiplexed avalanche photodiode arrays
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Radiation Monitoring Devices has carried out research to develop a monolithic array of multiplexed, high-gain avalanche photodiodes suitable for use in a spectroscopic radiation-imaging device. To dramatically reduce the electronics required to support a large array we have utilized a unique property of avalanche photodiodes, and the method in which they are produced, to develop a relatively simple readout scheme using row-column addressing. Results indicate that there is good charge sharing between diode contacts on the back of a photodiode, feedback and crosstalk are minimal between avalanche photodiodes connected to a common data line using the diode-contact approach, and that reducing the noise contribution of each separate avalanche photodiode to the common data lien remains a critical issue to be examined further.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mitchell Woodring, Mitchell Woodring, Richard Farell, Richard Farell, David Souza, David Souza, Michael R. Squillante, Michael R. Squillante, Gerald Entine, Gerald Entine, David K. Wehe, David K. Wehe, } "Multiplexed avalanche photodiode arrays", Proc. SPIE 4142, Penetrating Radiation Systems and Applications II, (18 December 2000); doi: 10.1117/12.410575; https://doi.org/10.1117/12.410575


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