Method and apparatus relating to optical fibers

Optical waveguides – Optical fiber waveguide with cladding

Reexamination Certificate

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C065S385000, C065S406000

Reexamination Certificate

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07106932

ABSTRACT:
A method of joining a first optical fiber (110) to a second optical fiber (130) comprises the steps of: (i) providing a preform element (10) comprising material defining a primary elongate cavity (40); (ii) inserting the first optical fiber (110) into the primary cavity (40) to form a preform (125); and (iii) drawing the second optical fiber (130) from the preform (125); wherein, the second optical fiber (130) includes a core region comprising material that has been drawn from the first optical fiber (110).

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