Optical waveguide
US5546493A · kind A · utility
15Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1994 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | Dec 27, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/046
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an optical waveguide comprising a transparent cladding (1) filled with a transparent liquid core (2) having a higher refractive index than the cladding, a liquid consisting of an oligomer having a phosphazene skeleton, typically phosphazene oil is used as the core (2). The waveguide is well resistant to heat and weathering, ensures stable performance in a wide temperature range over a long period of time, and provides good light transmission in a wide wavelength range covering the UV, visible and IR spectra.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.