Lens Arrangement for Optical Rotating Data Transmission Devices in Arbitrary Surrounding Media
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United States of America Patent
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Issued Date -
Jun 25, 2009
app pub date -
Dec 18, 2008
filing date -
Dec 19, 2007
priority date (Note) -
Abandoned
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Abstract
A rotating data transmission device for optical signals comprises two collimator arrangements for coupling light-waveguides, the collimator arrangements being rotatable relative to each other, and a derotating element being interposed in a light path between the collimator arrangements. At least one collimator arrangement comprises a lens system with a micro-lens array, and a light-waveguide holder firmly mounted to the micro-lens array with an intermediate space between the holder and the micro-lens array. At least one light-waveguide for supplying or collecting light to or from a micro-lens is fastened to both the micro-lens array and to the holder to prevent bending loads with attendant shifts of a mode field from acting upon the light-waveguide between the holder and the micro-lens array.
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