Device for measuring exposure of a solid-state image detector subjected to ionising radiation and image detector equipped with such a measuring device
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United States of America Patent
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Jan 28, 2003
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N/A
app pub date -
Nov 23, 1999
filing date -
May 23, 1997
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Abstract
A device for measuring the exposure of a solid-state image detector. The image detector includes a first face exposed to ionising radiation representative of the image. The device also lets unabsorbed ionising radiation exit through a second face opposite the first face. The measuring device is configured to be placed close to the second face and to be exposed to the unabsorbed ionising radiation. The device includes at least one optical fiber which emits visible or near visible radiation, obtained by conversion in the optical fiber, towards at least one detection device, the visible or near-visible radiation being representative of the unabsorbed ionising radiation. The detection device produces a signal representative of the exposure of the image detector. Such a device may find particular application to radiology image detectors.
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