Method for impressing gratings within fiber optics
US4725110A · kind A · utility
203Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1986 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Oct 27, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of establishing a dielectric periodic index of refraction phase grating upon the core of an optical waveguide 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.