Non-linear optical material
US5045239A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1989 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Mar 17, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/3613
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A non-linear optical material comprises a derivative of chalcone represented by the following general formulae (I) or (II) of: ##STR1## wherein R.sub.1 and R.sub.2 each represent a halogen atom, a hydroxyl group, an amino group, a dimethylamino group, a nitro group, a cyano group, a phenyl group, an acetyl group, an alkyl group having 1 to 18 carbon atoms or an alkyloxy group having 1 to 22 carbon atoms; n.sub.1 and n.sub.2 each represent an interger of from 0 to 21; and m.sub.1 and m.sub.2 each represent an integer of from 0 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.