Ring interferometer device and its application to the detection of non-reciprocal effects
US4480915A · kind A · utility
19Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1980 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | Dec 3, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C19/721
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to ring interferometers. It aims at making strictly reciprocal a ring interferometer of any known structure, by means of a mode filter which allow a particular mode to be selected among all the modes likely to be propagated in the loop and to arrive at the detection device; this filtering is carried out by a mode filter comprising for example a screen pierced with a hole or an integrated wave-guide or optical fiber portion which are advantageously monomode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.