On-Sky Measurements of the Transverse Electric Fields’ Effects in the Dark Energy Camera CCDs

@article{Plazas2014OnSkyMO,
  title={On-Sky Measurements of the Transverse Electric Fields’ Effects in the Dark Energy Camera CCDs},
  author={A. Plazas and G. Bernstein and E. Sheldon},
  journal={Publications of the Astronomical Society of the Pacific},
  year={2014},
  volume={126},
  pages={750}
}
  • A. Plazas, G. Bernstein, E. Sheldon
  • Published 2014
  • Physics
  • Publications of the Astronomical Society of the Pacific
  • Photogenerated charge in thick, back-illuminated, fully-depleted CCDs is transported by electric fields from the silicon substrate to the collecting well at the front gate of the CCDs. However, electric fields transverse to the surface of the CCD—with diverse origins such as doping gradients, guard rings around the imaging area of the sensor, and physical stresses on the silicon lattice—displace this charge, effectively modifying the pixel area and producing noticeable signals in astrometric… CONTINUE READING

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