Plastic optical waveguide and optical switch using same
US6047098A · kind A · utility
10Cited by
7References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 3, 1998 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Feb 3, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A plastic optical waveguide with a low loss property, a low birefringence and a high temperature endurance constructed with a polyimide obtained from an acid dianhydride based component and a diamine based component, wherein at least one of a core layer and a cladding layer of the optical waveguide is made of an acid dianhydride based component including an alicyclic acid dianhydride or an aliphatic acid dianhydride, the plastic optical waveguide having an optical loss in a 1.3 .mu.m band of 0.5 dB/cm or less, and a refractive index of the core layer being larger than that of the cladding layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.