In-fiber variable optical attenuators and modulators using index-changing liquid media
US6621952B1 · kind B1 · utility
31Cited by
60References
21Claims
0Family size
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Key dates
| Filing date | Aug 10, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Aug 10, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3692
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Fiber optical devices formed on substrates fabricated with grooves that operate based on evanescent optical coupling through a side-polished fiber surface in each fiber involved. An index-changing liquid is used to control the evanescent optical coupling in response to a control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.