Thermorefractive optical switch
US5382985A · kind A · utility
30Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1991 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | Jun 14, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical switching device is described which comprises a substrate of light absorbent material, a plurality of holes defined through the substrate containing a liquid material having an index of refraction which is highly temperature dependent within a selected temperature range of operation, the liquid-filled holes defining a plurality of waveguides for conducting light through the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.