spatial light modulator
(1) A matrix of movable mirrors used to reflect a digital image to the viewer. See DLP and LCoS.
(2) A matrix of shutters that represents a page of binary data. It is used to modulate a laser beam for holographic storage. See holographic storage.
The Spatial Light Modulator
The checkerboard-like device modulates the laser beam to create the holographic page when combined with the reference laser.
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