A spatial light modulator is disclosed that can be fabricated easily and is able to prevent degradation of a contrast ratio by suppressing a fringe effect. The spatial light modulator includes a light transmission substrate, a liquid crystal layer, a pixel array, and a phase difference generation unit provided between the light transmission substrate and the liquid crystal layer. A lens array is formed on the light transmission substrate, and the lens array has the same pitch as that of the pixel array.

 
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