Optical circulator or switch having a birefringent wedge positioned between faraday rotators
US6226115A · kind A · utility
16Cited by
10References
33Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 30, 1998 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/093
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device, such an as optical circulator or switch, which includes a birefringent tapered element, such as a birefringent wedge, positioned between first and second Faraday rotators. Light travels through the first Faraday rotator, the first birefringent tapered element and then the second Faraday rotator, in order, and along travel paths which are not parallel to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.