Method and device for achieving optical spatial phase modulation

Details Method and device for achieving optical spatial phase modulation Method and device for achieving optical spatial phase modulation

1989-07-06

1991-05-28

Hille, Rolf

350331R, 350333, 350345, G02F 1133

Patent

active

050188380

ABSTRACT:
Optical spatial phase modulation is achieved by positioning a liquid crystal layer in the path of a light beam to be modulated and controlling the spatial distribution of refractive index of the liquid crystal layer by controlling the spatial distribution of the electrical field generated across the liquid crystal layer.

REFERENCES:
patent: 4305807 (1981-12-01), Somlyody
patent: 4715683 (1987-12-01), Gregory et al.
patent: 4760389 (1988-07-01), Aoki et al.
patent: 4850675 (1989-07-01), Hatanaka et al.

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