The electron detection performance of the “Icarus” hCMOS imaging sensor

M. Dayton; C. Trosseille; Q. Shao; M. Sanchez; L. Claus; M. Raphaelian

doi:10.1117/12.2594346

1 September 2021 The electron detection performance of the “Icarus” hCMOS imaging sensor

M. Dayton, C. Trosseille, Q. Shao, M. Sanchez, L. Claus, M. Raphaelian

Proceedings Volume 11838, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIII; 1183812 (2021) https://doi.org/10.1117/12.2594346
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Electron-based diagnostics at the National Ignition Facility use Sandia’s Icarus sensors for ultrafast imaging. However, the electron detection performance of these sensors has remained mostly unknown. Previous work characterized the singulated Common Anode photodiode structure of the ”Furi” and ”Hippogriff” but did not include the Common Cathode photodiode structure of the Icarus. Using a fully fabricated Icarus sensor, we measured the cross-sectional geometries and modeled the expected performance; then, we measured the sensor’s EQE, quantum yield, and charge gain with an electron gun. These measurements were essential to understanding the space-charge limitations of the electron-based diagnostics that use them.

Conference Presentation

Citation Download Citation

M. Dayton, C. Trosseille, Q. Shao, M. Sanchez, L. Claus, and M. Raphaelian "The electron detection performance of the “Icarus” hCMOS imaging sensor", Proc. SPIE 11838, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIII, 1183812 (1 September 2021); https://doi.org/10.1117/12.2594346

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