Method and apparatus for creating circumferential flat...

Details Method and apparatus for creating circumferential flat... Method and apparatus for creating circumferential flat...

2007-04-17

2007-04-17

Font, Frank G. (Department: 2883)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S043000, C385S085000

Reexamination Certificate

active

11435354

ABSTRACT:
For creating flat surfaces along the circumference of a polymer optical fiber of a round cross section by machining, the polymer optical fiber is wound onto a mandrel in a plurality of windings, the mandrel having a generally non-circular cross section with at least one projecting sector in which the radius is constant or, starting from an apex of the largest radius, in which the radius linearly decreases on both sides with an increasing angular distance to the apex, the machining including using a cutting chisel of a high quality for turning-off the polymer optical fiber in the projecting sector of the mandrel. Subsequently, the polymer optical fiber is cut to several pieces that can be used for the manufacture of optical splitters.

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International Search Report for PCT Publication No. WO 2005/050272 A3, Dated Dec. 8, 2005.

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