Method for impressing gratings within fiber optics
US4807950A · kind A · utility
175Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Nov 19, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical fiber has a dielectric periodic index of refraction phase grating established in its core by intense angled application of several transverse beams of ultraviolet light, enabling the establishment of a distributed, spatially resolving optical fiber strain gauge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.