Optical fiber and a method for making such
US7769263B1 · kind B1 · utility
4Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2009 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Feb 2, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0365
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An optical fiber comprising: (i) a core; (ii) a cladding surrounding the core; wherein the cladding comprises a cladding ring that: (a) has a width W equal to or less than 10 microns; (b) includes at least 50 airlines, each airline having a maximum diameter or a maximum width of not more than 2 microns and more than 50% of said airlines have a length of more than 20 m; (c) has an air fill fraction of 0.1% to 10%, and (d) has an inner radius Rin and an outer radius Rout, wherein 6 μm≦Rin≦14 μm, and 8 μm≦Rout≦14 μm; and (iii) an outer cladding surrounding said cladding ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.