Spatial light modulator using phase-change materials with improved fill factor

    公开(公告)号:US11808937B1

    公开(公告)日:2023-11-07

    申请号:US17512562

    申请日:2021-10-27

    CPC classification number: G02B26/0833 G02B27/0977 G02F1/133553

    Abstract: A method of providing a spatial light modulator comprising: providing a substrate; providing a first phase change material cell on the substrate, the first phase change material cell comprising: a first electrical heater on the substrate; a first optical reflector layer on the electrical heater; and a first phase change material layer on the optical reflector layer; and providing at least a second phase change material cell on the substrate, the second phase change material cell comprising: a second electrical heater on the substrate; a second optical reflector layer on the second electrical heater; a second phase change material layer on the second optical reflector layer; and providing a light absorber layer between the first phase change material cell and the second phase change material cell.

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