TERAHERTZ WAVE GENERATING MODULE AND TERAHERTZ WAVE DETECTING DEVICE INCLUDING THE SAME
    21.
    发明申请
    TERAHERTZ WAVE GENERATING MODULE AND TERAHERTZ WAVE DETECTING DEVICE INCLUDING THE SAME 有权
    TERAHERTZ波形发生模块和包括其的TERAHERTZ波检测装置

    公开(公告)号:US20140166881A1

    公开(公告)日:2014-06-19

    申请号:US14049059

    申请日:2013-10-08

    CPC classification number: G01N21/3581

    Abstract: A terahertz wave generating module includes a bidirectional light source which provides a first dual-mode beam in a first direction and a second dual-mode beam in a second direction; a forward lens unit which focuses the first dual-mode beam; a photomixer unit which converts the first dual-mode beam focused by the forward lens unit into a terahertz wave; a backward lens unit which focuses the second dual-mode beam; and a light output unit which uses the second dual-mode beam focused by the backward lens unit as a light signal, wherein the bidirectional light source, the forward lens unit, the photomixer unit, the backward lens unit, and the light output unit are integrated in a housing.

    Abstract translation: 太赫兹波发生模块包括双向光源,其在第一方向上提供第一双模光束,而在第二方向上提供第二双模光束; 聚焦第一双模光束的前透镜单元; 将由前向透镜单元聚焦的第一双模光束转换为太赫兹波的光混合器单元; 聚焦第二双模光束的反向透镜单元; 以及使用由后向透镜单元聚焦的第二双模光束作为光信号的光输出单元,其中双向光源,前透镜单元,光混合器单元,后透镜单元和光输出单元是 融入住房。

    PHASE SHIFT MEASURING DEVICE AND PHASE SHIFT MEASURING METHOD

    公开(公告)号:US20230366741A1

    公开(公告)日:2023-11-16

    申请号:US18316027

    申请日:2023-05-11

    CPC classification number: G01J9/04

    Abstract: Disclosed is a phase shift measuring device, which includes a dual mode laser including a first beat light source generating a first beating signal and a second beat light source generating a second beating signal, and that outputs a dual mode signal including the first beating signal and the second beating signal, a first splitter that receives the dual mode signal to generate a first branch signal and a second branch signal, the first branch signal and the second branch signal being including the branched first beating signal and the branched second beating signal, respectively, a phase control unit that receives the first branch signal and to generate a combined signal, a transmitting end that receives the combined signal from the phase control unit and generates a transmission signal based on the combined signal, and a receiving end.

    APPARATUS FOR INSPECTING SHOES AND METHOD FOR INSPECTING SHOES USING THE SAME

    公开(公告)号:US20230280241A1

    公开(公告)日:2023-09-07

    申请号:US17938239

    申请日:2022-10-05

    CPC classification number: G01N1/14 G01N2001/1031

    Abstract: The inventive concept relates to an apparatus for inspecting shoes and a method for inspecting shoes, and the apparatus includes an inspection unit configured to accommodate an inspection subject, a transmission unit configured to emit electromagnetic waves toward the inspection subject accommodated in the inspection unit, a reception unit configured to receive the electromagnetic wave reflected from the inspection subject, an injection unit configured to inject a fluid toward a bottom part of the inspection subject accommodated in the inspection unit, a suction unit configured to suction a material separated from the bottom part of the inspection subject together with the fluid, and an analysis unit configured to analyze a component of the material introduced into the suction unit and the electromagnetic wave received by the reception unit.

    TERAHERTZ WAVE GENERATING APPARATUS USING DUAL MODE LASER

    公开(公告)号:US20210281045A1

    公开(公告)日:2021-09-09

    申请号:US17183680

    申请日:2021-02-24

    Abstract: Disclosed is a terahertz wave generating apparatus. The terahertz wave generating apparatus includes a dual mode laser including a first single mode laser that generates a first beating signal, a gain adjustment region that modulates the first beating signal, and a second single mode laser that generates a second beating signal, and a photomixer that mixes the modulated first beating signal and the second beating signal, and that modulates a current supplied based on a beating frequency of the mixed beating signals to generate a terahertz wave signal, and the gain adjustment region is formed between the first single mode laser and the second single mode laser, and the first beating signal is output from the first single mode laser to the gain adjustment region and is modulated based on a reverse bias voltage supplied to the gain adjustment region.

    APPARATUS AND METHOD FOR CONTACTLESS THICKNESS MEASUREMENT
    28.
    发明申请
    APPARATUS AND METHOD FOR CONTACTLESS THICKNESS MEASUREMENT 有权
    用于连续厚度测量的装置和方法

    公开(公告)号:US20140061475A1

    公开(公告)日:2014-03-06

    申请号:US13802198

    申请日:2013-03-13

    CPC classification number: G01B11/06

    Abstract: A contactless thickness measuring apparatus is provided which includes an terahertz transmitter configured to receive the first optical path signal from the coupler and to generate a terahertz continuous wave using the first optical signal and an applied bias; an optical delay line configured to delay the second optical path signal output from the coupler; and an terahertz receiver configured to receive the terahertz continuous wave penetrating a sample and to detect an optical current using the terahertz continuous wave and the second optical path signal delayed. A thickness of the sample is a value corresponding to the optical current which phase value becomes a constant regardless of a plurality of measurement frequencies.

    Abstract translation: 提供了一种非接触式厚度测量装置,其包括太赫兹发射器,其被配置为从耦合器接收第一光路信号并使用第一光信号和施加的偏压产生太赫兹连续波; 光延迟线,被配置为延迟从耦合器输出的第二光路信号; 以及太赫兹接收器,被配置为接收穿透样本的太赫兹连续波,并且使用太赫兹连续波和第二光路信号延迟来检测光电流。 样品的厚度是与光电流相对应的值,该相位值成为常数,而与多个测量频率无关。

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