Method of preparing optical waveguides
US3997687A · kind A · utility
10Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1975 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Apr 21, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A single crystal of lithium tantalate is pretreated to diffuse lithium atoms into the crystal. Niobium is then diffused into the pretreated crystal to form an optical waveguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.