Optical fibre confocal imager with variable near-confocal control
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United States of America Patent
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Jul 20, 1999
Grant Date -
N/A
app pub date -
Sep 23, 1997
filing date -
Mar 24, 1995
priority date (Note) -
Expired
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Abstract
A confocal imaging system using optical fibers is provided which has a flexible near confocal optical transmission means having a light collection end adjacent to a light collection of the confocal optical transmission means and adapted to transmit only near confocal light emerging from points in the object located within a range of distances above and below the focal plane, in such a manner that a selected portion of the near confocal light emerging from greater than any selected distance within the range is substantially separable from the remainder. The system also has variable selection means to exclude from detection the selected portion.
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