Optical Element
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United States of America Patent
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Issued Date -
Jul 21, 2011
app pub date -
Feb 28, 2005
filing date -
Feb 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A microscope, endoscope or optical coherence tomograph, comprising a light source, a flexible light transmitter (18) for receiving and transmitting light from the light source, an optical element (20) with a forward end (30) for receiving the light from the light transmitter (18) and a rear wall (26) having an internal surface for reflecting the light laterally, and an external sleeve (14) enclosing the optical element (20) and transparent to the light in at least a region of the sleeve where the light is directed by the internal surface (26). The internal surface (26) has an optical figure suitable for focussing the light to an observational field (28) external to the sleeve (14). A confocal configuration may be used.
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