Achieving sub-electron readout noise in Skipper CCDs

2011/06/14 by Guillermo Fernandez Moroni, Juan Estrada, Eduardo E. Paolini +3 · 1 citation
Physics and Astronomy · #astro-ph.IM #physics.ins-det

paper · pdf · doi:10.1007/s10686-012-9298-x

16 pages, 11 figures

arxiv created 2011/06/14 · arxiv updated 2015/05/28

Abstract

The readout noise for Charge-Coupled Devices (CCDs) has been the main limitation when using these detectors for measuring small amplitude signals. A readout system for a new scientific, low noise CCD is presented in this paper. The Skipper CCD architecture, and its advantages for low noise applications are discussed. A technique for obtaining sub-electron readout noise levels is presented, and its noise and signal characteristics are derived. We demonstrate a very low readout noise of 0.2e^- RMS. Also, we show the results using the detector in a low-energy X-ray detection experiment.

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