Piezoelectrically driven optical grating assemblies

Details Piezoelectrically driven optical grating assemblies Piezoelectrically driven optical grating assemblies

1974-11-25

1976-03-02

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 8, 310 83, 250237G, H01L 4108

Patent

active

039420485

ABSTRACT:
An optical grating assembly comprises a piezo-electric substrate which supports on two opposite faces thereof respective metallic layers. One of these faces of the substrate also carries a grating either formed in that face, in the metal layer supported by that face, or in a resin layer carried by that face. Application of a variable voltage between the metal layers sets up an electric field of variable strength in the substrate and this results in the pitch of the grating being variable due to the piezo-electric nature of the substrate.

REFERENCES:
patent: 3302027 (1967-01-01), Fried et al.
patent: 3497826 (1970-02-01), Foster
patent: 3555453 (1971-01-01), Littauer

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