Patent
1981-05-29
1984-01-10
Lee, John D.
350 9613, G02B 5174
Patent
active
044250240
ABSTRACT:
A planar electro-optical light deflector is operable to provide a plurality of beam positions and is characterized in that the same is a Bragg deflector having several adjacently-disposed electrode structures which are separately activatable, have respective different grid constants and are disposed on a layer waveguide inclined in such a manner that the light impinges on the respective electrode structures under respective Bragg angles, whereby the layer waveguide is capable of excitation over a width which corresponds to the totality of all electrode structures.
REFERENCES:
patent: 4047795 (1977-09-01), Hughes et al.
patent: 4056304 (1977-11-01), Phillips
patent: 4264125 (1981-04-01), Shibata
patent: 4394060 (1983-07-01), Verber et al.
Tsai, C. S. et al, "Ultrafast Guided-light Beam Deflection/Switching . . . ", Applied Physics Letters, vol. 27, No. 4, Aug. 15, 1975 pp. 248-250.
Hammer, J. M., et al, "Low-loss single-mode Optical Waveguides . . . ", Applied Physics Letters, vol. 24, No. 11, Jun. 1, 1974, pp. 545-547.
Schmidt, R. V., "Acousto-optic Diffraction of Guided Optical Waves in LiNb0.sub.3 ", Applied Physics Letters, vol. 23, No. 8, Oct. 15, 1973, pp. 417-419.
Belin et al, "Integrated-Optical Switching System," Sov. J. Quantum Electron., vol. 10, No. 2, Feb. 1980, pp. 249-250.
Auracher Franz
Keil Rudolf
Lee John D.
Siemens Aktiengesellschaft
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