Method for fabricating ferrolelectric domain reversals, and opti

Details Method for fabricating ferrolelectric domain reversals, and opti Method for fabricating ferrolelectric domain reversals, and opti

1994-07-08

1997-09-16

Reinhart, Mark J.

Recorders

Magnetographic

Physical reorientation of magnetic particles

346 744, 20415741, 204164, G01D 900

Patent

active

056685785

ABSTRACT:
A ferroelectric substance such as LiNbO.sub.3 that possesses a unipolarized non-linear optical effect is etched on its surface. An earth electrode is formed on one surface (the +z plane) of a ferroelectric substance. Domain reversals are created on the opposite side (the -z plane) of the substrate relative to the +z plane by irradiating electron beams onto the -z plane.

REFERENCES:
patent: 5395495 (1995-03-01), Nozaki
patent: 5415743 (1995-05-01), Harada
Interactions Between Light Waves in a Nonlinear Dielectric, Bleombergen et al., Physics Review, vol. 127, No. 6, pp. 1918-1939, (1962).
Fabrication of Periodic Domain Grating in LiNbO.sub.3 by Electron Beam Writing for Application of Nonlinear Optical Processes, Ito et al., Electronics Letters, vol. 27, No. 14, pp. 1221-1222, (1991).

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