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    PHOTODETECTION DEVICE, PHOTODETECTION SYSTEM, AND FILTER ARRAY
    42.
    发明申请
    PHOTODETECTION DEVICE, PHOTODETECTION SYSTEM, AND FILTER ARRAY 有权

    公开(公告)号：US20210341657A1

    公开(公告)日：2021-11-04

    申请号：US17378814

    申请日：2021-07-19

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： ATSUSHI ISHIKAWA ,  YASUHISA INADA

    IPC: G02B5/20 ,  G02B5/28 ,  G01J3/26

    Abstract: A photodetection device includes: a filter array including a plurality of filters arranged in a two-dimensional array, the plurality of filters including a first filter and a second filter, the first filter and the second filter each including a first reflective layer, a second reflective layer, and an intermediate layer between the first reflective layer and the second reflective layer and having a resonant structure having a plurality of resonant modes differing in order from each other, at least one selected from the group consisting of a refractive index and a thickness of the intermediate layer of the first filter being different from the at least one selected from the group consisting of a refractive index and a thickness of the intermediate layer of the second filter; and an image sensor disposed at a position where the image senor receives light having passed through the filter array.

    Labeling using an optical thickness measurement of a biosensor
    46.
    发明授权
    Labeling using an optical thickness measurement of a biosensor 有权

    公开(公告)号：US11125753B2

    公开(公告)日：2021-09-21

    申请号：US15934538

    申请日：2018-03-23

    Applicant: TruTag Technologies, Inc.

    Inventor： Hod Finkelstein ,  Timothy Learmonth

    IPC: G01J3/00 ,  G01N21/45 ,  G01J3/45 ,  G01N21/63 ,  G01N33/58 ,  C12Q1/6876 ,  G01N21/77 ,  C12Q1/6816 ,  G01N21/84 ,  G01J3/26 ,  G01N21/31

    Abstract: A system detects an analyte suspected of being present in a sample. The reader reads an optical tag on a substrate, which is configured to immobilize the tag on a substrate surface. The optical tag is bound to a probe and includes a plurality of pores that create an effective index of refraction. The plurality of pores and a thickness of the tag are selected for a reflectance property. The substrate is configured to contact a sample suspected of comprising an analyte. The probe is capable of binding specifically to the analyte. The reader is configured to expose the tag to light to generate a sample spectral signature that is a function of the effective index of refraction, the thickness of the optical tag, and whether the analyte is coupled to the probe. The sample spectral signature is compared to a reference to detect the analyte in the sample.

    Wide-angle computational imaging spectroscopy method and apparatus
    50.
    发明授权
    Wide-angle computational imaging spectroscopy method and apparatus 有权

    公开(公告)号：US11092489B2

    公开(公告)日：2021-08-17

    申请号：US16483048

    申请日：2018-01-31

    Applicant: GAMAYA SA

    Inventor： Yosef Akhtman ,  Christophe Galland

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

    Abstract: A system for computational imaging spectroscopy to provide compact and lightweight design, as well as large field of view of an object to be captured. The system includes imaging components, and computational device. The imaging components includes lens assembly, a fixed or variable-diameter aperture, spectral filter array and imaging sensor. The lens assembly provides wide angle of view, image-side telecentricity, and further may correct for longitudinal chromatic aberrations. The lens assembly may not provide correction of lateral chromatic aberrations. Furthermore, the lens assembly provides image-space telecentricity so as to chief rays are incident perpendicular to image sensor. The lens assembly may produce different chromatic aberrations pattern for each wavelength within the spectral range of interest. The pass-band nanofilter array is configured to filter a plurality of specific bands of light reflected from the imaged object and further produces a plurality of spatio-spectral samples of the imaged object projected onto the photosensitive pixels of imaging sensor. The computational device reconstructs complete spectral cube within the spectral range of interest, and further enables the computation of object reflectance at each pixel of the captured image from the plurality of spatio-spectral samples registered by the imaging sensor.

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