Fabrication of ferroelectric domain reversals

Details Fabrication of ferroelectric domain reversals Fabrication of ferroelectric domain reversals

1994-02-18

1995-06-13

Lee, John D.

Optical: systems and elements

Optical frequency converter

359332, 385122, G02F 135

Patent

active

054248671

ABSTRACT:
A method for fabricating an optical wavelength converter element which has a high optical damage threshold value, and is capable of achieving a high wavelength conversion efficiency without involving propagation losses caused by the reflection and scattering of a fundamental wave and a wavelength-converted wave. Domain reversals periodically arranged are formed on a substrate made of a LiNbO.sub.3 crystal which acts as a ferroelectric substance possessing a nonlinear optical effect. Thereafter, an ITO thin film made of a transparent electrically conductive material is deposited on a surface of the substrate extending in the direction of the arrangement of the domain reversals, that is, "y" and "z" surfaces.

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patent: 5253259 (1993-10-01), Yamamoto et al.
J. A. Armstrong, et al., "Interactions between Light Waves in a Nonlinear Dielectric," Physical Review, vol. 127, No. 6, Sep. 15, 1962, pp. 1918-1939.

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