Fabrication of microstructured fibres
US7155097B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2002 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Jul 13, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2203/42
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.