Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Light scattering or refractive index image formation
Patent
1992-04-29
1995-11-28
Dote, Janis L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Light scattering or refractive index image formation
430 20, 430321, G03C 500
Patent
active
054706920
ABSTRACT:
An integrated optic component comprises a substrate (10) carrying a layer (11) of polymeric material which has an aliphatic or aromatic polymer backbone with bonded sidegroups exhibiting hyperpolarizability. The layer (11) shows a refractive index pattern induced by irradiation with wavelengths within the electronic absorption bands of the sidegroups and within the range of about 230 to 650 nm. The component may be poled so as to be an active component and may be in the form of a ridge guide. Typical sidegroups comprise 4'-amino or 4'-oxy substituted 4-nitrostilbene moieties, or 4'-amino substituted 4-cyanostilbene moieties, or N-substituted 1-(4-aminophenyl)-4-(4-nitrophenyl) buta-1,3-diene moieties.
REFERENCES:
patent: 4962160 (1990-10-01), DeMartino et al.
patent: 5028109 (1991-07-01), Lawandy
"Polymeric Guided Wave Optics" by McDonach et al. SPIE Meeting, Boston, Mass., Sep. 5, 1989.
Copeland John M.
Diemeer Martinus B. J.
Horsthuis Winfried H. G.
McDonach Alaster
Akzo Nobel N.V.
Dote Janis L.
Koninklijke P.T.T.
Miraglia Loretta A.
Morris Louis A.
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