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    A SPECTRAL SENSING SYSTEM
    1.
    发明公开
    A SPECTRAL SENSING SYSTEM 审中-公开

    公开(公告)号：US20240183712A1

    公开(公告)日：2024-06-06

    申请号：US18570883

    申请日：2022-06-14

    Applicant: TECHNISCHE UNIVERSITEIT EINDHOVEN

    Inventor： Andrea FIORE ,  Maurangelo PETRUZZELLA

    IPC: G01J3/28 ,  G01J3/02 ,  G01J3/12

    CPC classification number: G01J3/2803 ,  G01J3/0218 ,  G01J2003/1213 ,  G01J2003/2806

    Abstract: The invention relates to a sensing system comprising at least one light emitting source, a sensing element comprising a sensing area, and an optical means for directing light being emitted by the at least one light emitting source onto the sensing area of the sensing element and for directing light being transmitted or reflected from the sensing area of the sensing element to an integrated interrogator; the interrogator having at least one detector configured for detecting part of the spectrum of the light directed from the sensing area of the sensing element.

    Multispectral sensor response balancing
    3.
    发明授权
    Multispectral sensor response balancing 有权

    公开(公告)号：US11892666B2

    公开(公告)日：2024-02-06

    申请号：US17449987

    申请日：2021-10-05

    Applicant: VIAVI Solutions Inc.

    Inventor： William D. Houck ,  Steven Saxe

    IPC: G02B5/26 ,  G01J3/26 ,  G01J3/28 ,  G02B5/08

    CPC classification number: G02B5/26 ,  G01J3/26 ,  G01J3/2803 ,  G02B5/08 ,  G01J2003/2806 ,  G01J2003/2813

    Abstract: An optical filter may include a substrate. The optical filter may include a first mirror. The optical filter may include a second mirror. The optical filter may include a spacer. The first mirror, the second mirror, and the spacer may form a plurality of component filters. A first component filter, of the plurality of component filters, may be associated with a first cross-sectional area and a second component filter, of the plurality of component filters, is associated with a second cross-sectional area. The first cross-sectional area and the second cross-sectional area may be configured to response balance the first component filter and the second component filter.

    SPECTRAL FILTER, IMAGE SENSOR INCLUDING THE SPECTRAL FILTER, AND ELECTRONIC DEVICE INCLUDING THE SPECTRAL FILTER
    4.
    发明公开
    SPECTRAL FILTER, IMAGE SENSOR INCLUDING THE SPECTRAL FILTER, AND ELECTRONIC DEVICE INCLUDING THE SPECTRAL FILTER 审中-公开

    公开(公告)号：US20230349758A1

    公开(公告)日：2023-11-02

    申请号：US18120872

    申请日：2023-03-13

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyochul KIM ,  Younggeun ROH

    IPC: G01J3/28 ,  G01J3/02

    CPC classification number: G01J3/2823 ,  G01J3/021 ,  G01J3/2803 ,  G01J2003/2806 ,  G01J2003/2826

    Abstract: Provided are a spectral filter, and an image sensor and an electronic device each including the spectral filter. The spectral filter includes a plurality of first filter arrays respectively including a plurality of band filters and a plurality of second filter arrays provided on the plurality of first filter arrays. The plurality of unit filters includes a first reflecting plate, a second reflecting plate provided above the first reflecting plate, and a plurality of cavities provided between the first and second reflecting plates and each having central wavelengths of different bands. Each of the plurality of cavities includes a lower cavity layer, a upper cavity layer, and an intermediate light absorption layer provided between the lower cavity layer and the upper cavity layer. Each of the plurality of band filters is configured to transmit light in a specific band, and two or more of the plurality of cavities are configured to have a same effective refractive index.

    Multi-pixel spectral sensor
    5.
    发明授权
    Multi-pixel spectral sensor 有权

    公开(公告)号：US11747203B2

    公开(公告)日：2023-09-05

    申请号：US17436186

    申请日：2020-01-28

    Applicant: TECHNISCHE UNIVERSITEIT EINDHOVEN

    Inventor： Andrea Fiore ,  Kaylee Doranne Hakkel ,  Tianran Liu ,  Francesco Pagliano ,  Maurangelo Petruzzella

    IPC: G01J3/28 ,  G01J3/02

    CPC classification number: G01J3/2823 ,  G01J3/021 ,  G01J2003/2806

    Abstract: A multi-pixel spectroscopy sensor for spectral analysis of a sample under test including an array of pixel elements generating a dataset including a plurality of data values corresponding to the pixel elements upon illumination of the sample by a light source. Each of the pixel elements including a stack of layers including first and second reflective structures, a phase tuning element, a detector element, and contact elements. The sensor further includes a read-out circuit connected to each of the contact elements for simultaneous read-out of a plurality of photocurrents for generating and outputting the dataset for the spectral analysis of the sample under test. The phase tuning element of each of the pixel elements is configured for a different wavelength response of the light and each photodetector of the pixel elements is comprised of a semiconductor material.

    SPATIALLY VARIABLE LIGHT SOURCE AND SPATIALLY VARIABLE DETECTOR SYSTEMS AND METHODS
    9.
    发明申请
    SPATIALLY VARIABLE LIGHT SOURCE AND SPATIALLY VARIABLE DETECTOR SYSTEMS AND METHODS 审中-公开

    公开(公告)号：US20180238735A1

    公开(公告)日：2018-08-23

    申请号：US15867245

    申请日：2018-01-10

    Applicant: Verifood, Ltd.

    Inventor： Sagee ROSEN ,  Uri KINROT

    IPC: G01J3/26 ,  G01J3/28 ,  G01J3/02 ,  G01J3/36

    CPC classification number: G01J3/26 ,  G01J3/0256 ,  G01J3/0272 ,  G01J3/10 ,  G01J3/28 ,  G01J3/2803 ,  G01J3/36 ,  G01J2003/2806 ,  G01J2003/2813

    Abstract: An improved compact spectrometer system comprising a spatially variable detector and/or a spatially variable light source is disclosed. The spatially variable detector can comprise a first plurality of similar spaced apart detector regions having similar detectable wavelength ranges and a second plurality of different spaced apart detector regions having different detectable wavelength ranges that are different from the similar detectable wavelength ranges. The spatially variable light source can comprise a first plurality of similar spaced apart lighting regions emitting light of similar detectable wavelength ranges and a second plurality of different spaced apart lighting regions emitting light of different detectable wavelength ranges that are different from the similar detectable wavelength ranges. The disparity in measured light intensity along the spatially variable detector and the disparity in emitted light intensity along the spatially variable light source can be determined and adjusted.

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