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    FLEXIBLE ULTRASOUND ARRAY
    2.
    发明公开
    FLEXIBLE ULTRASOUND ARRAY 审中-公开

    公开(公告)号：EP3708263A1

    公开(公告)日：2020-09-16

    申请号：EP19162702.5

    申请日：2019-03-14

    Applicant: IMEC vzw ,  Katholieke Universiteit Leuven KU Leuven Research & Development

    Inventor： CHEYNS, David ,  JEONG, Yongbin ,  ROTTENBERG, Xavier

    IPC: B06B1/06

    Abstract: The present invention provides a flexible ultrasound transducer (1) for an ultrasound monitoring system for examining a curved object. The ultrasound transducer (1) comprises an integrated circuit structure (7) and a multi-layered structure (2), said multi-layered structure (2) comprising an array (3) of ultrasound transducing elements (3a) arranged in a first layer structure (4) and configured for generating ultrasonic energy propagating along a main transducer axis Z and an array (5) of control circuits (5a) arranged in a second layer structure (6), and wherein the array (5) of control circuits and the integrated circuit structure (7) are configured for operating the array (3) of ultrasound transducing elements in said first layer structure (4), Further, the multi-layered structure (2) comprises at least one flexible layer (8, 9) arranged so that the bending flexibility of the multi-layered structure (2) permits the ultrasound transducer (1) to form a continuous contact with said curved object during operation.

    INTEGRATED PHOTONICS WAVEGUIDE GRATING COUPLER
    4.
    发明公开
    INTEGRATED PHOTONICS WAVEGUIDE GRATING COUPLER 审中-公开
    集成光子学波导光栅耦合器

    公开(公告)号：EP3296783A1

    公开(公告)日：2018-03-21

    申请号：EP17190594.6

    申请日：2017-09-12

    Applicant: IMEC vzw

    Inventor： SONG, Jeonghwan ,  ROTTENBERG, Xavier

    IPC: G02B6/34 ,  G02B6/30 ,  G02B6/124

    CPC classification number: G02B6/34 ,  G02B6/124 ,  G02B6/30 ,  G02B6/305 ,  G02B2006/12107

    Abstract: The present invention relates to a photonic integrated device (1) comprising
    - a waveguide (2) embedded in a photonic substrate and having a waveguide radiation exit surface (3),
    - a grating structure (4) connected with said waveguide, said grating structure having a plurality of elongate grating trenches (5) adapted for diffracting radiation from said waveguide, whereby at least two of said elongate grating trenches with a different distance to the centre of said waveguide radiation exit surface have a different angle of arc with respect to said centre.

    Abstract translation: 本发明涉及一种光子集成装置（1），包括： - 嵌入光子基底中并具有波导辐射出射表面（3）的波导（2）， - 与所述波导相连的光栅结构（4），所述光栅结构 具有多个适于衍射来自所述波导的辐射的细长光栅沟槽（5），由此与所述波导辐射出射表面的中心具有不同距离的所述细长光栅沟槽中的至少两个具有相对于所述波导 中央。

    A SENSOR DEVICE, A PHOTO-ACOUSTIC IMAGING DEVICE AND A METHOD FOR DETECTING A MEASURAND
    5.
    发明公开
    A SENSOR DEVICE, A PHOTO-ACOUSTIC IMAGING DEVICE AND A METHOD FOR DETECTING A MEASURAND 审中-公开

    公开(公告)号：EP4386329A1

    公开(公告)日：2024-06-19

    申请号：EP22214039.4

    申请日：2022-12-16

    Applicant: Imec VZW

    Inventor： LAMBERTI, Fabrice-Roland ,  JANSEN, Roelof ,  ROTTENBERG, Xavier ,  KJELLMAN, Jon

    IPC: G01D5/26

    CPC classification number: G01D5/268 ,  G01L9/00 ,  G01K11/32

    Abstract: A sensor device (100) comprises: a plurality of sensors (102a-f), wherein each sensor (102a-f) comprises an optical resonance element (106a-f) configured to be affected by a measurand and has a mutually unique optical resonance frequency; the sensors (102a-f) being configured to receive at least one of a first and a second sensor interrogation signals forming a plurality of signal component pairs, wherein a difference in frequency between the frequencies in the signal component pair is different for different signal component pairs; wherein each sensor (102a-f) is configured to modulate an optical intensity of at least one frequency of a mutually unique signal component pair; and a detector (110), being configured to receive the first sensor interrogation signal and the second sensor interrogation signal, wherein the detector (110) is configured to detect a plurality of mutually unique beat frequencies for detecting a plurality of measurements by the plurality of sensors (102a-f).

    A PHASE DIFFERENCE MEASUREMENT DEVICE FOR OPTICAL PHASED ARRAYS
    6.
    发明公开
    A PHASE DIFFERENCE MEASUREMENT DEVICE FOR OPTICAL PHASED ARRAYS 审中-公开

    公开(公告)号：EP3786661A1

    公开(公告)日：2021-03-03

    申请号：EP19193674.9

    申请日：2019-08-27

    Applicant: Imec VZW

    Inventor： FIGEYS, Bruno ,  ROTTENBERG, Xavier ,  JANSEN, Roelof

    IPC: G01S7/481

    Abstract: The present invention provides a phase difference measurement device (1) for optical phased arrays, the phase difference measurement device (1) comprising at least two optical waveguides (2) arranged in parallel in a first plane, each optical waveguide (2) comprising a proximal portion (3a) and a distal portion (3b); the proximal portion (3a) of the at least one of the two optical waveguides (2) further comprises a phase shifting device (4) configured for inducing a phase shift of a light wave being transmitted in the phase difference measurement device (1). The device (1) further comprises at least one phase interrogator device (5) arranged in the first plane (8a) between two neighbouring optical waveguides (2) of the at least two optical waveguides (2); the phase interrogator device (5) being configured to couple light from the two neighbouring optical waveguides (2) to interfere in the phase interrogator (5) to generate an interference light wave (5e); and at least one photo detector (6) arranged for detecting the interference light wave (5e), wherein the least one photo detector (6) is arranged in a second plane (8b) other than the first plane (8a).

    AN ACOUSTIC COUPLING INTERFACE
    7.
    发明公开
    AN ACOUSTIC COUPLING INTERFACE 审中-公开

    公开(公告)号：EP3708264A1

    公开(公告)日：2020-09-16

    申请号：EP19162705.8

    申请日：2019-03-14

    Applicant: IMEC vzw

    Inventor： ROTTENBERG, Xavier

    IPC: B06B1/06 ,  A61B8/00

    Abstract: The present invention provides an acoustic coupling interface (1) for use between a flexible ultrasound transducing device (2) and a curved object (3) to be examined. The interface (1) is in the form of a sheet (4) having a bending flexibility that permits the sheet (4) to form a continuous contact with said curved object (3) during operation of the flexible ultrasound transducing device (2). Further, the sheet (4) comprises a bulk material (5) and a plurality of acoustic waveguiding structures (6) arranged in said bulk material (5), wherein the plurality of acoustic waveguiding structures (6) is for providing bidirectional coupling of ultrasound signals (7) emitted by the ultrasound transducing device (2).

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