Limited mode optical fiber
US4205901A · kind A · utility
17Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1978 |
| Grant date | Jun 3, 1980 |
| Priority date | — |
| Expiry date | Oct 4, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2203/26
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A single mode optical fiber having a central core region of uniform composition and thickness and core end regions each having a core with a graded composition and increasing thickness towards the ends of the fiber. The fiber maintains a constant normalized frequency with a minimum bending loss. Methods are also provided for forming the fibers from a fiber optic preform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.