Skipper-CCDs: current applications and future
B.A. Cervantes-Vergara, S. Perez, J.C. D'Olivo, J. Estrada, D.J., Grimm, S. Holland, M. Sofo-Haro, W. Wong
TL;DR
This paper reviews the applications of Skipper-CCD technology in astronomy, focusing on its use in dark matter and neutrino experiments, and presents initial sensor characterization results from the Oscura project.
Contribution
It provides an overview of Skipper-CCD applications and reports new sensor characterization data from the Oscura experiment's first fabrication run.
Findings
Sensor electron counting yield of 71%
Noise level of 0.087 e$^-$ RMS at 140 K
Dark current measured at 0.031 e$^-$/pix/day
Abstract
This work briefly discusses the potential applications of the Skipper-CCD technology in astronomy and reviews its current use in dark matter and neutrino experiments. An overview of the ongoing efforts to build multi-kilogram experiments with these sensors is given, in the context of the Oscura experiment. First results from the characterization of Oscura sensors from the first 200 mm wafer-fabrication run with a new vendor are presented. The overall yield of the electron counting capability of these sensors is 71%. A noise of 0.087 e RMS, with 1225 samples/pix, and a dark current of (0.0310.013) e/pix/day at 140 K were measured.
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