Dynamic holographic display with cantilever

Details Dynamic holographic display with cantilever Dynamic holographic display with cantilever

1993-08-16

1995-06-13

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359 9, 359 35, 359846, 359850, 348771, G02B 2600, G03H 108

Patent

active

054248663

ABSTRACT:
A dynamic holographic display has an array of reflective surfaces formed on cantilever structures substantially parallel to the surface of a substrate, such as a silicon wafer. A holographic image is formed by controlling electrical currents passed through the cantilever structures to position the reflective surfaces of the cells in the array so the topography forms a hologram, and reflected light interferes to form a holographic image. In a preferred embodiment, control is by computer and positions of reflective surfaces are determined by calculation from dimensional data available to the control computer.

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