Importance

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Abstract

A light modulator includes a base layer made of an insulating material having a transmitting property for object light, a conductive pattern layer made of a conductive material, including a plurality of pattern portions arranged periodically, and formed on the base layer, a modulation layer made of an electro-optic polymer, filling a space between the plurality of pattern portions and formed on the conductive pattern layer, and having a refractive index to be changed by applying an electric field, and a reflection layer formed on the modulation layer and reflecting the object light incident from a lower surface of the base layer and transmitted through the modulation layer, and the object light having a phase modulated by being transmitted through the modulation layer and reflected by the reflection layer is output from the lower surface of the base layer to the outside as modulated light.

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First Claim