Wave device having a reverse domain grating

Details Wave device having a reverse domain grating Wave device having a reverse domain grating

1977-12-23

1979-05-15

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

310313, 333195, 361233, 427100, 252 629, H03H 904, H03H 930, H03H 920, H01L 4122

Patent

active

041550552

ABSTRACT:
This invention relates to a wave device comprising a single domain lithium niobate substrate having thereon a grating wherein the grating comprises single domain regions of lithium niobate having their plus c-axis direction substantially opposite the plus c-axis direction of the substrate.

REFERENCES:
patent: 3310720 (1967-03-01), King et al.
patent: 4037005 (1977-07-01), Phillips
patent: 4073675 (1978-02-01), Ballman et al.
Dakss et al.--"Generation of Surface Wave Networks by Optical Damage" in IBM Technical Disclosure Bulletin, vol. 12, No. 11, Apr. 1970; pp. 1942-1943.

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