High numerical aperture optical fiber
US7463805B2 · kind B2 · utility
34Cited by
11References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 20, 2005 |
| Grant date | Dec 9, 2008 |
| Priority date | — |
| Expiry date | Nov 8, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/1695
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical fiber, comprising: a core with a first refractive index (n1); a silica based outer cladding surrounding the core, the outer cladding having a refractive index (n), such that the core is substantially surrounded by a gap situated between the core and the outer cladding, the gap containing at least one support structure adjacent to the outer cladding and situated between the outer cladding and the core, wherein the support structure is either hollow or gas filed and is not connected to any other support structure situated within the gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.