Stilbazolium salt and optically non-linear devices incorporating

Details Stilbazolium salt and optically non-linear devices incorporating Stilbazolium salt and optically non-linear devices incorporating

1991-06-10

1993-03-16

Arnold, Bruce Y.

Optical: systems and elements

Optical modulator

Having particular chemical composition or structure

359322, 359326, 385143, 385145, 546329, G02F 100, G02F 135, G02B 600, C07D21170

Patent

active

051949849

ABSTRACT:
4'-Dimethylamino-4-methylstilbazolium methanesulfonate is prepared by the reaction of methyl methanesulfonate with 4-picoline followed by condensation with p-dimethylaminobenzaldehyde. Its hydrated form has second harmonic generation optical properties, but this is not true of the anhydrous form. Thus, the hydrated form is useful in the production of optical waveguides, spatial light modulators and the like.

REFERENCES:
patent: 2970149 (1961-01-01), Huebner
patent: 3105836 (1963-10-01), Huebner
patent: 3795436 (1974-03-01), Boller et al.
patent: 4269941 (1981-05-01), Ichimura
patent: 4558133 (1985-12-01), Beecken
patent: 4818616 (1989-04-01), Milverton et al.
patent: 5094553 (1992-03-01), Yakymyshyn et al.
G. R. Meredith, "Prospect of New Nonlinear Organic Materials", Nonlinear Optics: Materials and Devices; Edited by Flytzanis and Oudar (.COPYRGT.Springer-Verlag Berlin Heidelberg) (1986) pp. 116-127.
Marder et al ., Science, 245, 626-8 (1989).

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