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    All-optical system responsive to motion and optical module for use in the same
    2.
    发明授权
    All-optical system responsive to motion and optical module for use in the same 有权

    公开(公告)号：US09753055B2

    公开(公告)日：2017-09-05

    申请号：US14912836

    申请日：2013-09-25

    Applicant: INSTITUT NATIONAL D'OPTIQUE

    Inventor： Alex Paquet ,  Claude Paré ,  Marco Michele Sisto

    IPC: G01P15/093 ,  G01P13/00 ,  G01P15/18

    CPC classification number: G01P15/093 ,  G01P13/00 ,  G01P15/18

    Abstract: An optical module for use in a motion responsive system includes a support and a proof mass mechanically coupled and displaceable relative to the support along at least one sensing axis in response to a motion experienced by the support. The module also includes an optical monitoring assembly for monitoring the proof mass with an optical beam impinging on the proof mass, the beam including a plurality of dedicated spectral components. The module further includes an optical spectral filter including a plurality of filtering regions, each being associated with a corresponding dedicated spectral component and having a spectral profile including a distinct dedicated filtering band encompassing the spectral component, such that a displacement of the proof mass along the at least one sensing axis produces, after filtering of the beam, a change in optical power of the spectral components indicative of the motion experienced by the support.

    ACTIVE OPTICAL COUPLING SYSTEM AND PHOTONIC INTEGRATED CIRCUIT
    3.
    发明申请
    ACTIVE OPTICAL COUPLING SYSTEM AND PHOTONIC INTEGRATED CIRCUIT 有权
    主动光耦合系统和光电集成电路

    公开(公告)号：US20160202420A1

    公开(公告)日：2016-07-14

    申请号：US14993448

    申请日：2016-01-12

    Applicant: INSTITUT NATIONAL D'OPTIQUE

    Inventor： Alex Paquet

    IPC: G02B6/30 ,  G02F1/137 ,  G02F1/29 ,  G02B6/32 ,  G02B6/36

    CPC classification number: G02B6/30 ,  G02B6/32 ,  G02B6/3652 ,  G02B6/3656 ,  G02F1/137 ,  G02F1/29 ,  G02F2001/294

    Abstract: The active optical coupling system generally has: a photonic die having a photonic integrated circuit (PIC) waveguide element disposed thereon, the PIC waveguide element having an intermediate coupling element disposed on the PIC waveguide element; a liquid crystal refractive element (LCRE) being optically coupled to the PIC waveguide element of the photonic die via the intermediate coupling element, the LCRE having a first face for receiving light, a second face opposite the first face for outputting the received light, a liquid crystal layer between the first and second faces, and an electrode system arranged to act on the liquid crystal layer; and a controller being electrically connected to the electrode system of the LCRE and being operable to actively control the propagation of the outputted light upon action of the electrode system, said active control allowing coupling of the outputted light into the PIC waveguide element.

    Abstract translation: 有源光耦合系统通常具有：具有设置在其上的光子集成电路（PIC）波导元件的光子管芯，所述PIC波导元件具有设置在所述PIC波导元件上的中间耦合元件; 液晶折射元件（LCRE）经由中间耦合元件光耦合到光子管芯的PIC波导元件，LCRE具有用于接收光的第一面，与第一面相对的用于输出接收光的第二面， 第一和第二面之间的液晶层和布置成作用在液晶层上的电极系统; 以及控制器，其电连接到所述LCRE的电极系统，并且可操作以在所述电极系统的作用下主动地控制所述输出光的传播，所述有源控制允许输出的光耦合到所述PIC波导元件中。

    Active optical coupling system and photonic integrated circuit
    6.
    发明授权
    Active optical coupling system and photonic integrated circuit 有权

    公开(公告)号：US09703046B2

    公开(公告)日：2017-07-11

    申请号：US14993448

    申请日：2016-01-12

    Applicant: INSTITUT NATIONAL D'OPTIQUE

    Inventor： Alex Paquet

    IPC: G02B6/32 ,  G02B6/30 ,  G02F1/137 ,  G02B6/36 ,  G02F1/29

    CPC classification number: G02B6/30 ,  G02B6/32 ,  G02B6/3652 ,  G02B6/3656 ,  G02F1/137 ,  G02F1/29 ,  G02F2001/294

    Abstract: The active optical coupling system generally has: a photonic die having a photonic integrated circuit (PIC) waveguide element disposed thereon, the PIC waveguide element having an intermediate coupling element disposed on the PIC waveguide element; a liquid crystal refractive element (LCRE) being optically coupled to the PIC waveguide element of the photonic die via the intermediate coupling element, the LCRE having a first face for receiving light, a second face opposite the first face for outputting the received light, a liquid crystal layer between the first and second faces, and an electrode system arranged to act on the liquid crystal layer; and a controller being electrically connected to the electrode system of the LCRE and being operable to actively control the propagation of the outputted light upon action of the electrode system, said active control allowing coupling of the outputted light into the PIC waveguide element.

    Heat-loss pressure microsensors
    7.
    发明授权
    Heat-loss pressure microsensors 有权

    公开(公告)号：US11747231B2

    公开(公告)日：2023-09-05

    申请号：US17905813

    申请日：2020-04-08

    Applicant: INSTITUT NATIONAL D'OPTIQUE

    Inventor： Bruno Tremblay ,  Alex Paquet

    IPC: G01L11/00 ,  G01L27/00 ,  G01K7/22

    CPC classification number: G01L11/002 ,  G01L27/002 ,  G01K7/22

    Abstract: A heat-loss pressure microsensor for measuring a gas pressure is disclosed that includes a plurality of pressure gauges arranged proximate to one another on a substrate. The gauges may include a pair of gauges, each gauge including a thermistor having an electrical resistance that varies with its temperature, the thermistor's temperature being responsive to the gas pressure, a platform to receive the thermistor, and a support structure to hold the platform above the substrate. Each gauge may be configured to produce a gauge output signal related to the electrical resistance of its thermistor. The two gauges are configured with their platforms having equal nominal perimeters and different nominal surface areas, and their support structures having the same nominal geometry. A differential signal may be obtained from the two gauge output signals. The differential signal conveys information about the gas pressure and exhibits reduced sensitivity to fabrication-related dimensional variations.

    Optical fiber with cladding-embedded light-converging structure for lateral optical coupling
    8.
    发明授权
    Optical fiber with cladding-embedded light-converging structure for lateral optical coupling 有权

    公开(公告)号：US10725244B2

    公开(公告)日：2020-07-28

    申请号：US16189636

    申请日：2018-11-13

    Applicant: INSTITUT NATIONAL D'OPTIQUE

    Inventor： Alex Paquet ,  Marco Michele Sisto ,  Yves Taillon

    IPC: G02B6/32 ,  G02B6/34 ,  G02B6/42 ,  G02B6/30 ,  G02B6/02

    Abstract: Optical coupling techniques between an optical fiber and another optical device, such as a planar optical waveguide, or a probed region are disclosed. An optical fiber for lateral optical coupling includes a cladding, a core disposed in the cladding, a reflecting structure inclined relative to the fiber axis, and a light-converging structure embedded in the cladding. The reflecting structure is configured to reflect light between the core and a lateral coupling path extending and providing lateral optical coupling between the core and an exterior of the fiber. The cladding-embedded light-converging structure is configured to intercept and converge light traveling along the lateral coupling path. In some implementations, the optical fiber is a fiber-optic transition coupled between a main optical fiber and another optical device or a probed region. A coupled optical system including an optical fiber coupled to another optical device is also disclosed.

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