LIGHT MODULATORS AND DIGITAL EXPOSURE APPARATUSES INCLUDING THE SAME
    41.
    发明申请
    LIGHT MODULATORS AND DIGITAL EXPOSURE APPARATUSES INCLUDING THE SAME 审中-公开
    光调制器和数字曝光装置,包括它们

    公开(公告)号:US20150323816A1

    公开(公告)日:2015-11-12

    申请号:US14528394

    申请日:2014-10-30

    CPC classification number: G02F1/017 G03F7/70058 G03F7/70291

    Abstract: A light modulator may include: a light modulating unit formed as a pixel-array type by using a PIN diode including multiple quantum wells including a Group-III nitride semiconductor material, and configured to modulate light by electroabsorption; and/or a control unit including a transistor configured to control voltage applied to the PIN diode of the light modulating unit. The PIN diode and the transistor may be arrayed in an active matrix form.

    Abstract translation: 光调制器可以包括:光调制单元,其通过使用包括III族氮化物半导体材料的多个量子阱的PIN二极管形成为像素阵列型,并且被配置为通过电吸收来调制光; 和/或包括晶体管的控制单元,晶体管被配置为控制施加到光调制单元的PIN二极管的电压。 PIN二极管和晶体管可以以有源矩阵形式排列。

    THERMAL IMAGING PIXEL, THERMAL IMAGING SENSOR, AND BOLOMETER

    公开(公告)号:US20240219240A1

    公开(公告)日:2024-07-04

    申请号:US18227488

    申请日:2023-07-28

    CPC classification number: G01J5/20 G01J2005/0077

    Abstract: A thermal imaging pixel, including a variable resistor array; and a pixel readout circuit configured to read electrical signals corresponding to a composite resistance of the variable resistor array, wherein the variable resistor array includes a plurality of variable resistor subarrays electrically connected in series, wherein each variable resistor subarray of the plurality of variable resistor subarrays includes a plurality of variable resistor cells electrically connected in parallel, and wherein each variable resistor cell of the plurality of variable resistor cells has a resistance which changes according to temperature.

    LIGHT MODULATOR, OPTICAL DEVICE INCLUDING LIGHT MODULATOR, AND ELECTRONIC APPARATUS INCLUDING OPTICAL DEVICE

    公开(公告)号:US20210173239A1

    公开(公告)日:2021-06-10

    申请号:US16880350

    申请日:2020-05-21

    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

    BEAM STEERING APPARATUS AND SYSTEM INCLUDING THE SAME

    公开(公告)号:US20210149227A1

    公开(公告)日:2021-05-20

    申请号:US16860527

    申请日:2020-04-28

    Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.

    BEAM SCANNING APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME

    公开(公告)号:US20200150277A1

    公开(公告)日:2020-05-14

    申请号:US16441544

    申请日:2019-06-14

    Abstract: Provided is a beam scanning apparatus including a plurality of antenna resonators disposed two-dimensionally in a row direction and a column direction, a plurality of row voltage lines that are configured to provide a plurality of driving voltages in a row direction, respectively, a plurality of column voltage lines that are configured to provide a plurality of driving voltages in a column direction, respectively, and a driving voltage conversion circuit configured to control a driving voltage applied to each of the plurality of antenna resonators based on a driving voltage in the row direction that is provided from each of the plurality of row voltage lines and a driving voltage in the column direction that is provided from each of the plurality of column voltage lines.

    LASER BEAM STEERING DEVICE AND SYSTEM INCLUDING THE SAME

    公开(公告)号:US20180062341A1

    公开(公告)日:2018-03-01

    申请号:US15681724

    申请日:2017-08-21

    Abstract: A laser beam steering device and a system including the laser beam steering device are provided. The laser beam steering device includes a refractive index change layer having a refractive index that changes based on an electrical signal; at least one antenna pattern disposed above the refractive index change layer; a wavelength selection layer disposed under the refractive index change layer and configured to correspond to a wavelength of a laser beam incident onto the laser beam steering device; and a driver configured to apply the electrical signal to the refractive index change layer.

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