Electro-optical element

Details Electro-optical element Electro-optical element

1997-07-24

1999-04-13

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359315, 359254, G02F 103, G02F 129

Patent

active

058943633

ABSTRACT:
An electro-optical element such as a light deflection element which allows high speed random accessing and can provide a large deflection angle and wherein a plurality of of functions can be integrated stably with a high degree of accuracy in a single element. The electro-optical element includes a ferroelectric substrate, electrodes provided on principal faces of the ferroelectric substrate, and function sections each having a polarization reversal domain formed in a predetermined shape in the ferroelectric substrate such that a light beam passes through the domain. The function sections may have a function of for converging at least part of the light beam, another function for diverging at least part of the light beam, a further function for deflecting a propagation direction of at least part of the light beam or/and a still further function for switching a propagation direction of at least part of the light beam, in response to a voltage applied to the electrodes.

REFERENCES:
patent: 5321718 (1994-06-01), Waarts et al.
patent: 5703710 (1997-12-01), Brinkman et al.

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