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    Window obscuration sensors for mobile gas and chemical imaging cameras
    1.
    发明授权
    Window obscuration sensors for mobile gas and chemical imaging cameras 有权

    公开(公告)号：US11933723B2

    公开(公告)日：2024-03-19

    申请号：US18308521

    申请日：2023-04-27

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Ryan Mallery ,  Ohad Israel Balila ,  Robert Timothy Kester

    IPC: G01N21/3504 ,  G01J5/0806 ,  G01N21/31 ,  H04N5/33

    CPC classification number: G01N21/3504 ,  G01J5/0806 ,  G01N21/314 ,  H04N5/33

    Abstract: An infrared (IR) imaging system for determining a concentration of a target species in an object is disclosed. The imaging system can include an optical system including a focal plane array (FPA) unit behind an optical window. The optical system can have components defining at least two optical channels thereof, said at least two optical channels being spatially and spectrally different from one another. Each of the at least two optical channels can be positioned to transfer IR radiation incident on the optical system towards the optical FPA. The system can include a processing unit containing a processor that can be configured to acquire multispectral optical data representing said target species from the IR radiation received at the optical FPA. One or more of the optical channels may be used in detecting objects on or near the optical window, to avoid false detections of said target species.

    Window obscuration sensors for mobile gas and chemical imaging cameras
    3.
    发明授权
    Window obscuration sensors for mobile gas and chemical imaging cameras 有权

    公开(公告)号：US11674896B2

    公开(公告)日：2023-06-13

    申请号：US17808273

    申请日：2022-06-22

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Ryan Mallery ,  Ohad Israel Balila ,  Robert Timothy Kester

    IPC: G01N21/3504 ,  H04N5/33 ,  G01J5/0806 ,  G01N21/31

    CPC classification number: G01N21/3504 ,  G01J5/0806 ,  G01N21/314 ,  H04N5/33

    Abstract: An infrared (IR) imaging system for determining a concentration of a target species in an object is disclosed. The imaging system can include an optical system including a focal plane array (FPA) unit behind an optical window. The optical system can have components defining at least two optical channels thereof, said at least two optical channels being spatially and spectrally different from one another. Each of the at least two optical channels can be positioned to transfer IR radiation incident on the optical system towards the optical FPA. The system can include a processing unit containing a processor that can be configured to acquire multispectral optical data representing said target species from the IR radiation received at the optical FPA. One or more of the optical channels may be used in detecting objects on or near the optical window, to avoid false detections of said target species.

    Mobile gas and chemical imaging camera
    4.
    发明授权
    Mobile gas and chemical imaging camera 有权

    公开(公告)号：US11044423B2

    公开(公告)日：2021-06-22

    申请号：US16530232

    申请日：2019-08-02

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester

    IPC: H04N5/33 ,  G01J3/02 ,  G01J3/28 ,  G01J5/00 ,  H04N5/225 ,  G01N21/3504 ,  G02B5/20 ,  G06K9/00 ,  G06K9/20 ,  G01J5/08 ,  G01J5/04 ,  G01J5/02 ,  G01J3/10 ,  G01J3/12

    Abstract: In one embodiment, an infrared (IR) imaging system for determining a concentration of a target species in an object is disclosed. The imaging system can include an optical system including an optical focal plane array (FPA) unit. The optical system can have components defining at least two optical channels thereof, said at least two optical channels being spatially and spectrally different from one another. Each of the at least two optical channels can be positioned to transfer IR radiation incident on the optical system towards the optical FPA. The system can include a processing unit containing a processor that can be configured to acquire multispectral optical data representing said target species from the IR radiation received at the optical FPA. Said optical system and said processing unit can be contained together in a data acquisition and processing module configured to be worn or carried by a person.

    Divided-aperture infra-red spectral imaging system
    5.
    发明授权
    Divided-aperture infra-red spectral imaging system 有权

    公开(公告)号：US10113914B2

    公开(公告)日：2018-10-30

    申请号：US15418532

    申请日：2017-01-27

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester ,  Nathan Adrian Hagen

    IPC: H01L25/00 ,  G01J5/52 ,  G01N21/3504 ,  G01J3/02 ,  G01J3/12 ,  G01J3/28 ,  G01J5/08 ,  G01J5/00 ,  H04N5/33

    Abstract: Various embodiments disclosed herein describe a divided-aperture infrared spectral imaging (DAISI) system that is adapted to acquire multiple IR images of a scene with a single-shot (also referred to as a snapshot). The plurality of acquired images having different wavelength compositions that are obtained generally simultaneously. The system includes at least two optical channels that are spatially and spectrally different from one another. Each of the at least two optical channels are configured to transfer IR radiation incident on the optical system towards an optical FPA unit comprising at least two detector arrays disposed in the focal plane of two corresponding focusing lenses. The system further comprises at least one temperature reference source or surface that is used to dynamically calibrate the two detector arrays and compensate for a temperature difference between the two detector arrays.

    GAS IMAGING SYSTEM
    6.
    发明申请
    GAS IMAGING SYSTEM 审中-公开

    公开(公告)号：US20180188163A1

    公开(公告)日：2018-07-05

    申请号：US15789829

    申请日：2017-10-20

    Applicant: Rebellion Photonics, Inc.

    Inventor： Robert Timothy Kester ,  Ohad Israel Balila

    IPC: G01N21/3504

    CPC classification number: G01N21/3504 ,  G01J3/0232 ,  G01J3/28 ,  G01J3/36 ,  G01J2003/1213 ,  G01M3/38 ,  G01N33/0047 ,  G01N2021/1795 ,  G01N2021/3531 ,  G01N2201/0221

    Abstract: A spectral imaging system configured to obtain spectral measurements in a plurality of spectral regions is described herein. The spectral imaging system comprises at least one optical detecting unit having a spectral response corresponding to a plurality of absorption peaks of a target chemical species. In an embodiment, the optical detecting unit may comprise an optical detector array, and one or more optical filters configured to selectively pass light in a spectral range, wherein a convolution of the responsivity of the optical detector array and the transmission spectrum of the one or more optical filters has a first peak in mid-wave infrared spectral region between 3-4 microns corresponding to a first absorption peak of methane and a second peak in a long-wave infrared spectral region between 6-8 microns corresponding to a second absorption peak of methane.

    DIVIDED-APERTURE INFRA-RED SPECTRAL IMAGING SYSTEM
    8.
    发明申请
    DIVIDED-APERTURE INFRA-RED SPECTRAL IMAGING SYSTEM 有权

    公开(公告)号：US20150136981A1

    公开(公告)日：2015-05-21

    申请号：US14539899

    申请日：2014-11-12

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester ,  Nathan Adrian Hagen

    IPC: G01J3/02 ,  G01N21/25 ,  G01J3/28

    CPC classification number: G01J3/0232 ,  G01J3/0229 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/36 ,  G01J2005/0077 ,  G01N21/3504

    Abstract: Various embodiments disclosed herein describe a divided-aperture infrared spectral imaging (DAISI) system that is adapted to acquire multiple IR images of a scene with a single-shot (also referred to as a snapshot). The plurality of acquired images having different wavelength compositions that are obtained generally simultaneously. The system includes at least two optical channels that are spatially and spectrally different from one another. Each of the at least two optical channels are configured to transfer IR radiation incident on the optical system towards an optical FPA unit comprising at least two detector arrays disposed in the focal plane of two corresponding focusing lenses. The system further comprises at least one temperature reference source or surface that is used to dynamically calibrate the two detector arrays and compensate for a temperature difference between the two detector arrays.

    Window obscuration sensors for mobile gas and chemical imaging cameras
    10.
    发明授权
    Window obscuration sensors for mobile gas and chemical imaging cameras 有权

    公开(公告)号：US11698339B2

    公开(公告)日：2023-07-11

    申请号：US17808273

    申请日：2022-06-22

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Ryan Mallery ,  Ohad Israel Balila ,  Robert Timothy Kester

    IPC: G01N21/3504 ,  H04N5/33 ,  G01J5/0806 ,  G01N21/31

    CPC classification number: G01N21/3504 ,  G01J5/0806 ,  G01N21/314 ,  H04N5/33

    Abstract: An infrared (IR) imaging system for determining a concentration of a target species in an object is disclosed. The imaging system can include an optical system including a focal plane array (FPA) unit behind an optical window. The optical system can have components defining at least two optical channels thereof, said at least two optical channels being spatially and spectrally different from one another. Each of the at least two optical channels can be positioned to transfer IR radiation incident on the optical system towards the optical FPA. The system can include a processing unit containing a processor that can be configured to acquire multispectral optical data representing said target species from the IR radiation received at the optical FPA. One or more of the optical channels may be used in detecting objects on or near the optical window, to avoid false detections of said target species.

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