spatial light modulator


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.