Optical wave guide with fluorine-doped core
US4441788A · kind A · utility
15Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1981 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Dec 15, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An optical waveguide is disclosed which exhibits only slight attenuation over both the visible and near infrared range. The waveguide comprises an optical fiber whose core is made up of a fluorine-doped silica glass possibly comprising an oxide that increases the index of refraction of said silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.