Dual-sided Charge-Coupled Devices

Javier Tiffenberg,Daniel Egana-Ugrinovic,Miguel Sofo Haro,Peizhi Du,Rouven Essig,Guillermo Fernandez-Moroni,Sho Uemura

Physical Review Applied（2024）

Fermilab Natl Accelerator Lab | Perimeter Inst Theoret Phys | Rutgers State Univ | SUNY Stong Brook

Cited 1|Views25

Abstract

Existing Charge-Coupled Devices (CCDs) operate by detecting either theelectrons or holes created in an ionization event. We propose a new type ofimager, the Dual-Sided CCD, which collects and measures both charge carriers onopposite sides of the device via a novel dual-buried channel architecture. Weshow that this dual detection strategy provides exceptional dark-countrejection and enhanced timing capabilities. These advancements havewide-ranging implications for dark-matter searches, near-IR/opticalspectroscopy, and time-domain X-ray astrophysics.

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Key words

CMOS Image Sensors,Direct Detection,Photon Counting,Photocathodes

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