Fiber devices with transverse-pressure-controlled squeezers
US6873783B1 · kind B1 · utility
17Cited by
12References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Jun 22, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/0134
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Implementations of a polarization control method and apparatus are provided. In one implementation, a device uses super-polished squeezing surfaces to apply pressure against a polyimide coated fiber thereby minimizing micro-bending effects that cause losses in the fiber. Special control circuitry may be used to maintain a driving source of piezo-electrics that control the squeezing surfaces at a resonant frequency, thereby minimizing the voltages needed to drive the piezo-electrics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.