1977-06-01
1980-04-08
Davie, James W.
G02F 103
Patent
active
041969774
ABSTRACT:
An electro-optical modulator/deflector including electro-optical material and an electrode pattern arranged in response to a voltage supply to provide an electric field in the material to influence the deflection of a light beam at the moment of total internal reflection, and at least one further electrode arranged such that on application of a high voltage between said further electrode or electrodes and said electrode pattern there is in use generated within said electro-optical material in the region of said electrode pattern a phase change in the wavefront of the light beam in a sense opposite to the phase change caused by an inherent diffraction grating effect of the electrode pattern.
REFERENCES:
patent: 3958862 (1976-05-01), Scibor-Rylski
Ramachandran et al., "Noise Generated in the Total Internal Reflection Electro-optic Diffraction Deflector/Modulator," J. Phys. D: Appl. Phys., vol. 7, 1974, pp. 2479-2483.
Ramachandran et al., "A Novel Electro-optic Diffraction Deflector," J. Phys. D: Appl. Phys., vol. 8, No. 9, Jun. 21, 1975, pp. 2115-2117.
Davie James W.
Keschner Irving
Xerox Corporation
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