CMOS image sensors in space: From OCO3 to LUVOIR by way of the Z machine

Michael E. Hoenk; April D. Jewell; Todd J. Jones; Quinn Looker; Marcos O. Sanchez

doi:10.1117/12.2563243

13 December 2020 CMOS image sensors in space: From OCO3 to LUVOIR by way of the Z machine

Michael E. Hoenk, April D. Jewell, Todd J. Jones, Quinn Looker, Marcos O. Sanchez

Proceedings Volume 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX; 114540D (2020) https://doi.org/10.1117/12.2563243
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

CMOS image sensors (CIS) have several significant advantages for NASA missions. Among the challenges for larger NASA payloads, including flagship mission concepts such as LUVOIR and Habex, are requirements for CIS detectors with small pixels, single photon sensitivity, and integration into large area mosaic focal planes. Key to these challenges is the emerging technology of 3D stacked CMOS image sensors. In this paper, we report the latest results from a collaboration between JPL and SNL to develop 3D-stacked, superlattice-doped CIS detectors for imaging and spectroscopy of high intensity, pulsed X-ray sources. JPL’s MBE-grown surface passivation layers are two orders of magnitude thinner and more highly doped than the ion-implanted layers in Sandia’s previous generation of detectors. JPL and Sandia demonstrated 3D-stacked, superlattice-doped photodiodes with 10x higher efficiency, marking a key milestone on the road toward gigapixel focal planes with single photon sensitivity.

Conference Presentation

Citation Download Citation

Michael E. Hoenk, April D. Jewell, Todd J. Jones, Quinn Looker, and Marcos O. Sanchez "CMOS image sensors in space: From OCO3 to LUVOIR by way of the Z machine", Proc. SPIE 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX, 114540D (13 December 2020); https://doi.org/10.1117/12.2563243

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