Two-Channel Multimode Rotary Joint
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United States of America Patent
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Issued Date -
Jul 24, 2008
app pub date -
Jan 22, 2008
filing date -
Jan 24, 2007
priority date (Note) -
Abandoned
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Abstract
An optical two-channel rotary joint that is also suitable for coupling of single-mode fibers comprises two housing parts that are rotatable relative to each other. Each of these housing parts accommodates a light-waveguide for supplying light and a light-waveguide for withdrawing light. The arrangement has two optical paths adapted to operate in opposite directions, with each light-waveguide for supplying light being coupled with a light-waveguide for withdrawing light via an added biconvex lens. Furthermore, one focuser is disposed on each of the light-waveguides for supplying light, which focuses the light of the light-waveguide onto the corresponding light-waveguide for withdrawing light.
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