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Communication Dans Un Congrès Année : 2019

Monte Carlo Modeling of Electron Multiplication in Amorphous Silicon Based Microchannel Plates

Résumé

Amorphous silicon based microchannel plates are being developed to overcome performance limits of conventional microchannel plates. They offer a new flexibility and ease of fabrication. A comprehensive AMCP model is being constructed to analyze the performances of AMCPs. It includes Monte Carlo simulation of secondary electron emission distribution as a function of energy and angles and finite element analysis multiphysics software to compute electron trajectories. The paper presents the results of Monte Carlo simulations of secondary emission functions in silicon and the high secondary emissive material Al 2 O 3. We discuss the gain and potential performance as a function of geometry of such devices. The validity of the Eberhardt model for the analysis of AMCPs is also addressed.
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Dates et versions

hal-02971313 , version 1 (19-10-2020)

Identifiants

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Janina Löffler, Jonathan Thomet, Mohamed Belhaj, Luc Van Kessel, Cornelis W Hagen, et al.. Monte Carlo Modeling of Electron Multiplication in Amorphous Silicon Based Microchannel Plates. 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Oct 2019, Manchester, United Kingdom. ⟨10.1109/NSS/MIC42101.2019.9059971⟩. ⟨hal-02971313⟩

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