Polished fused optical fiber endface
US6415087B1 · kind B1 · utility
22Cited by
31References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1998 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Nov 10, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/147
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An endface configuration of an optical fiber has a frustum region which is produced by polishing the endface. In order to produce the optimal rounded tip, however, the polished fiber is then fused. To increase coupling efficiency, the vertex angle of the polished frustum region is acute, preferably between 16 and 20°. Further, to create a hyperbolic endface surface, an intermediate frustum region is preferably polished prior to fusing tip. This fused tip is preferably has a circular cross-section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.