Light modulator, optical device including light modulator, and electronic apparatus including optical device

    公开(公告)号:US12147096B2

    公开(公告)日:2024-11-19

    申请号:US18334838

    申请日:2023-06-14

    Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index.

    Spectral imaging apparatus
    6.
    发明授权

    公开(公告)号:US11686620B2

    公开(公告)日:2023-06-27

    申请号:US17501496

    申请日:2021-10-14

    CPC classification number: G01J3/2823 G02B5/201

    Abstract: Provided is a spectral imaging apparatus. The spectral imaging apparatus includes: an optical filter including a plurality of band filter units having different center wavelengths; a sensing device configured to receive light passing through the optical filter; an imaging lens array including a plurality of lens units which respectively correspond to the plurality of band filter units and each implement imaging on the sensing device; and a transparent substrate which is apart from the sensing device. At least one of the optical filter and the imaging lens array is provided on the transparent substrate.

    POLARIZED LIGHT EMITTING DEVICE AND POLARIZATION ANALYSIS APPARATUS

    公开(公告)号:US20220077363A1

    公开(公告)日:2022-03-10

    申请号:US17466791

    申请日:2021-09-03

    Abstract: A polarized light emitting device and a polarization analysis apparatus including the same are disclosed. The polarized light emitting device includes a first reflective layer and a second reflective layer disposed to face each other in a first direction, a gain medium layer between the first reflective layer and the second reflective layer, and a linear polarizer layer, wherein the linear polarizer layer includes a plurality of first grating elements alternately arranged with a plurality of second grating elements along a second direction perpendicular to the first direction, wherein each of the first grating elements includes a first dielectric material having a first refractive index, and wherein each of the second grating elements includes a second dielectric material having a second refractive index different from the first refractive index.

    Polarized light emitting device and polarization analysis apparatus

    公开(公告)号:US12272775B2

    公开(公告)日:2025-04-08

    申请号:US17466791

    申请日:2021-09-03

    Abstract: A polarized light emitting device and a polarization analysis apparatus including the same are disclosed. The polarized light emitting device includes a first reflective layer and a second reflective layer disposed to face each other in a first direction, a gain medium layer between the first reflective layer and the second reflective layer, and a linear polarizer layer, wherein the linear polarizer layer includes a plurality of first grating elements alternately arranged with a plurality of second grating elements along a second direction perpendicular to the first direction, wherein each of the first grating elements includes a first dielectric material having a first refractive index, and wherein each of the second grating elements includes a second dielectric material having a second refractive index different from the first refractive index.

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