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    Gas imaging system
    12.
    发明授权
    Gas imaging system 有权

    公开(公告)号：US10948404B2

    公开(公告)日：2021-03-16

    申请号：US15789829

    申请日：2017-10-20

    Applicant: Rebellion Photonics, Inc.

    Inventor： Robert Timothy Kester ,  Ohad Israel Balila

    IPC: G01N21/35 ,  G01N21/3504 ,  G01J3/36 ,  G01J3/02 ,  G01N33/00 ,  G01M3/38 ,  G01J3/28 ,  G01N21/17 ,  G01J3/12

    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
    13.
    发明授权
    Divided-aperture infra-red spectral imaging system 有权

    公开(公告)号：US10914639B2

    公开(公告)日：2021-02-09

    申请号：US16388010

    申请日：2019-04-18

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester ,  Nathan Adrian Hagen

    IPC: G01J5/00 ,  G01J5/52 ,  H04N5/33 ,  H04N3/09 ,  H04N5/365 ,  G01J3/02 ,  G01J3/36 ,  G01J5/08 ,  G01J3/26 ,  G01J3/28 ,  G01J5/20 ,  G01N21/3504 ,  G01J3/12 ,  G01N21/17

    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
    15.
    发明授权
    Window obscuration sensors for mobile gas and chemical imaging cameras 有权

    公开(公告)号：US10605725B2

    公开(公告)日：2020-03-31

    申请号：US16185399

    申请日：2018-11-09

    Applicant: REBELLION PHOTONICS, INC.

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

    IPC: G01N21/3504 ,  H04N5/33 ,  G01J5/08 ,  G01N21/31

    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.

    Gas leak emission quantification with a gas cloud imager
    16.
    发明授权
    Gas leak emission quantification with a gas cloud imager 有权

    公开(公告)号：US10458905B2

    公开(公告)日：2019-10-29

    申请号：US14792477

    申请日：2015-07-06

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester ,  Nathan Adrian Hagen ,  Ryan Mallery

    IPC: G01J3/00 ,  G01N21/3504 ,  G01M3/26 ,  G01M3/38 ,  G01N21/17

    Abstract: An instrument and method for analyzing a gas leak. The instrument can obtain a time series of spectra from a scene. The instrument can compare spectra from different times to determine a property of a gas cloud within the scene. The instrument can estimate the column density of the gas cloud at one or more locations within the scene. The instrument can estimate the total quantity of gas in the cloud. The instrument can estimate the amount of gas which has left the field of view of the instrument. The instrument can also estimate the amount of gas in the cloud which has dropped below the sensitivity limit of the instrument.

    Divided-aperture infra-red spectral imaging system
    17.
    发明授权
    Divided-aperture infra-red spectral imaging system 有权

    公开(公告)号：US10444070B2

    公开(公告)日：2019-10-15

    申请号：US15462350

    申请日：2017-03-17

    Applicant: Rebellion Photonics, Inc.

    Inventor： Robert Timothy Kester ,  Nathan Adrian Hagen

    IPC: G01N21/3504 ,  G01J3/02 ,  G01J3/28 ,  G01J3/36 ,  G01J5/00

    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.

    Mobile gas and chemical imaging camera
    20.
    发明授权
    Mobile gas and chemical imaging camera 有权

    公开(公告)号：US12174067B2

    公开(公告)日：2024-12-24

    申请号：US17302306

    申请日：2021-04-29

    Applicant: REBELLION PHOTONICS, INC.

    Inventor： Robert Timothy Kester

    IPC: H04N5/33 ,  G01J3/02 ,  G01J3/28 ,  G01J5/00 ,  G01J5/02 ,  G01J5/04 ,  G01J5/061 ,  G01J5/07 ,  G01J5/0804 ,  G01N21/3504 ,  G02B5/20 ,  H04N23/45 ,  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.

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