Compositions – Light transmission modifying compositions – Modification caused by energy other than light
Patent
1988-05-05
1991-01-01
Higel, Floyd D.
Compositions
Light transmission modifying compositions
Modification caused by energy other than light
252585, 252586, 534573, 534650, 534851, C09B 2906, G11B 724, C07C24508, G02F 7004
Patent
active
049816128
ABSTRACT:
An optical element, such as a wave guide, having non-linear optical properties, suitable for use in optical devices in which it is desirable to alter the characteristics of the light, comprising a transparent or reflecting substrate having at least a partial superficial coating comprising alternating monolayers of a first non-linear optical (NLO) compound of the formula: ##STR1## wherein R is an non-hydrophilic aliphatic or cycloaliphatic group containing from 8 to 40 carbon atoms;
Allen Simon
Gordon Paul F.
Zyss Joseph
Higel Floyd D.
Imperial Chemical Industries plc
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