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Published June 20, 2006 | Published
Book Section - Chapter Open

A novel low-voltage electron-bombarded CCD readout


We present proof-of-concept results for a novel ultraviolet-sensitive, photon counting, solar blind detector that has the potential for high QE in a compact low voltage, low power, unsealed design. We utilize a delta-doped back-illuminated CCD to read out low energy electrons from a photocathode. In parallel, a new generation of high-QE ultraviolet-sensitive GaN photocathodes is being developed with initial success using delta-doping technology rather than cesiation. In this paper we present results with the new readout using a CsI test cathode, which produces events at under 1000 V accelerating potential.

Additional Information

© 2006 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was funded by a Planetary Instrument Definition and Development grant from the National Aeronautics and Space Administration, and by the Aerospace Corporation (El Segundo, CA), which provided funding for J. S.'s Caltech Summer Undergraduate Research Fellowship.

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