Fabrication of microstructured fibres

Details Fabrication of microstructured fibres Fabrication of microstructured fibres

2006-12-26

2006-12-26

Font, Frank G. (Department: 2883)

Optical waveguides

Optical fiber waveguide with cladding

C385S125000, C385S126000, C385S127000, C264S001270, C264S001280, C264S001290, C065S439000

Reexamination Certificate

active

07155097

ABSTRACT:
A preform for a microstructured fibre or a part for a preform for a microstructured fibre. The preform or part has a length in the longitudinal direction and a cross section perpendicular thereto, and includes a rod arranged at the centre of the preform or part, with one or more tubes being concentric to the rod. The rod is sleeved inside a first of the concentric tubes, and the rod and/or at least one of the concentric tubes has grooves and/or slits extending in the longitudinal direction, with the number of innermost longitudinally extending grooves and/or slits with respect to a centre of the preform or part being at least six.

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