Monomode optical fiber ring interferometric device with semiconductor diode as light energy emission reception/amplification means
US4842409A · kind A · utility
25Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | May 27, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/72
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A ring interferometer device is provided comprising monomode optical fiber, a radiation separator and a mode filter coupled optically to a coherent light source. In a first approach, this source is a semiconductor diode of the type operating alternately as light emitter and receiver depending on the biasing. In a second approach, the source is a light emitting semiconductor diode coupled by its front face to the mode filter and by its rear face to a detector, said diode acting as light amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.