Input and output devices for optical fiber
US4067643A · kind A · utility
8Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1976 |
| Grant date | Jan 10, 1978 |
| Priority date | — |
| Expiry date | Sep 28, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/335
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Input and output devices for an optical fiber include an acoustic transducer for generating a planar acoustic wave tilted at an angle with respect to the axis of an optical fiber embraced by a quartz block. The gap between the optical fiber and the quartz block is filled with a liquid, such as water, to obtain acoustic impedance matching. A desired mode of propagating light can be extracted from the fiber or injected therein by reflection under Bragg's condition through a glass block and optical system without cutting or damaging the optical fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.