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    SPECTROMETER METHOD AND APPARATUS
    54.
    发明公开
    SPECTROMETER METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20240302213A1

    公开(公告)日：2024-09-12

    申请号：US18652142

    申请日：2024-05-01

    Applicant: Spectricity

    Inventor： Jonathan Borremans ,  Andy Lambrechts ,  Jerome Baron

    IPC: G01J3/40 ,  G01J3/28 ,  G01J3/36 ,  G01N21/31 ,  G06F3/14 ,  H04N23/16 ,  H04N23/60 ,  H04N23/63 ,  H04N23/67

    CPC classification number: G01J3/40 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/36 ,  G01N21/31 ,  G06F3/14 ,  H04N23/16 ,  H04N23/63 ,  H04N23/635 ,  H04N23/64 ,  H04N23/67 ,  H04N23/675

    Abstract: A user device includes a spectrometer module adapted to acquire spectral information and output spectral data representing the acquired spectral information, memory adapted to store predetermined calibration data, a processing unit configured to substantially correct the spectral data using the stored calibration data and an electronic circuit module, The electronic circuit module includes a light sensitive area for detecting incident light of a plurality of wavelengths within a set wavelength interval, detected light of a plurality of wavelengths forming spectral data and the light sensitive area including a plurality of light detectors. Each light detector is adapted to detect light of a selected wavelength. The calibration data is based on a predetermined characteristic of the electronic circuit module, which has been configured to correct a wavelength detected by each light detector and the wavelengths detected by each light detector has a known relationship to a wavelength detected by a reference light detector.

    Compact light dispersion system
    58.
    发明授权
    Compact light dispersion system 有权

    公开(公告)号：US10578488B1

    公开(公告)日：2020-03-03

    申请号：US16151999

    申请日：2018-10-04

    Applicant: THE AEROSPACE CORPORATION

    Inventor： David Wheeler Warren ,  John A. Hackwell

    IPC: G01J3/28 ,  G01J3/02 ,  G01J3/40 ,  G01J3/45

    Abstract: Disclosed herein are spectral imaging systems having an internally folded prism, which can have four different refracting surfaces. A first angle defines the spatial relationship between the first and second refracting surfaces. The first angle can have a range between 45-95 degrees. In some embodiments, the first angle can be 70 degrees. The spatial relationship of the third and fourth refracting surfaces can be defined by a second angle, which can be the same as the first angle. Finally, the spatial relationship of the second and third refracting surfaces can be defined by a third angle, which can have a range between 90-145 degrees. The prism index of refraction, the first, second, and third angles are selected such that TIR is achieved at two of the refracting surfaces. Additionally, these prism parameters are selected such that a 180 degrees fold of the optical path is achieved entirely within the prism.

    System and method for selective resolution for concave grating spectrometer
    59.
    发明授权
    System and method for selective resolution for concave grating spectrometer 有权

    公开(公告)号：US10571334B2

    公开(公告)日：2020-02-25

    申请号：US15844069

    申请日：2017-12-15

    Applicant: Horiba Instruments Incorporated

    Inventor： Harry Jerome Oana ,  Xiaomei Tong ,  Ronald Joseph Kovach

    IPC: G01J3/02 ,  G01J3/04 ,  G01J3/18 ,  G01J3/40 ,  G01J3/42

    Abstract: An optical system includes a spectrograph having a concave diffraction grating and a detector. An aperture is selectively positioned by an associated actuator or positioning mechanism either into, or out of, an optical path of the input light beam downstream of a sample and prior to entering the spectrograph. A slit plate having a plurality of different size entrance slits is positioned downstream of the aperture and movable by an associated actuator or positioning mechanism to position one of the plurality of entrance slits in the optical path of the input light beam. A controller coupled to the detector and the actuators is configured to control the actuators to selectively position the aperture and the slit plate to provide a selectable resolution of the spectrograph. The aperture setting and slit plate setting may be determined from a lookup table in response to a request for finer or coarser spectral resolution.

    HYPERSPECTRAL SENSING SYSTEM AND PROCESSING METHODS FOR HYPERSPECTRAL DATA
    60.
    发明申请
    HYPERSPECTRAL SENSING SYSTEM AND PROCESSING METHODS FOR HYPERSPECTRAL DATA 审中-公开

    公开(公告)号：US20200025613A1

    公开(公告)日：2020-01-23

    申请号：US16583042

    申请日：2019-09-25

    Applicant: Flying Gybe Inc.

    Inventor： Nicholas TUFILLARO ,  Ivan LALOVIC ,  Omar ZURITA

    IPC: G01J3/28 ,  G01J3/02 ,  G01J3/40

    Abstract: A hyperspectral sensing device may include an optical collector configured to collect light and to transfer the collected light to a sensor having spectral resolution sufficient for sensing hyperspectral data. In some examples, the sensor comprises a compact spectrometer. The device further comprises a power supply, an electronics module, and an input/output hub enabling the device to transmit acquired data (e.g., to a remote server). In some examples, a plurality of hyperspectral sensing devices are deployed as a network to acquire data over a relatively large area. Methods are disclosed for performing dark-current calibration and/or radiometric calibration on data obtained by the hyperspectral sensing device, and/or another suitable device. Data obtained by the device may be represented in a functional basis space, enabling computations that utilize all of the hyperspectral data without loss of information.

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