Method of producing optical-fiber coupler
US5176730A · kind A · utility
8Cited by
3References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 18, 1992 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Feb 18, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/2835
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a method for producing an optical-fiber coupler with a preset branching ratio. The present invention relates to a method in which part of a plurality of optical fibers are made to closely contact with each other so as to form a coupler. The coupler is heated to thereby obtain a predetermined branching ratio; the flow rate of a gas to be supplied to a heat source is increased/decreased by a quantity proportional to a difference between the drawing speed and a preset drawing speed while predetermined tension is applied to the optical fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.