Ultimate Sensitivity And Resolution Of Phosphor/Fiber/Charge-Coupled-Device Systems

Mark E. Dunham; Philip G. Sanchez

doi:10.1117/12.7974191

1 October 1987 Ultimate Sensitivity And Resolution Of Phosphor/Fiber/Charge-Coupled-Device Systems

Mark E. Dunham, Philip G. Sanchez

Author Affiliations +

Optical Engineering, Vol. 26, Issue 10, 261035 (October 1987). https://doi.org/10.1117/12.7974191

Abstract

Charge-coupled-device imagers have great potential to replace photographic film for recording cathode ray tube (CRT) displays. The basic problem, detection of electrons impacting with variable densities on a sensing screen, implies high sensitivity for single-electron detection. Few data have been published on CCD performance in this regime, especially as one component of a complete readout system. We report on the basic sensitivity and resolution of one possible system, the electron beam and phosphor coupled with fiber optics to a thermoelectrically cooled CCD camera. Observed performance indicates that present sensitivity is several CRT beam electrons per pixel and that resolutions of 25 Âµm trace width present no problem. Improved experiments are expected to yield single-electron detection capability in the near future. The outlook for broad use of this readout in oscilloscopes, streak tubes, and imagers is discussed with regard to this performance.

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Mark E. Dunham and Philip G. Sanchez "Ultimate Sensitivity And Resolution Of Phosphor/Fiber/Charge-Coupled-Device Systems," Optical Engineering 26(10), 261035 (1 October 1987). https://doi.org/10.1117/12.7974191

Published: 1 October 1987

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