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    LASER SYSTEM WITH MECHANICALLY-ROBUST MONOLITHIC FUSED PLANAR WAVEGUIDE (PWG) STRUCTURE
    1.
    发明申请
    LASER SYSTEM WITH MECHANICALLY-ROBUST MONOLITHIC FUSED PLANAR WAVEGUIDE (PWG) STRUCTURE 审中-公开

    公开(公告)号：US20190190230A1

    公开(公告)日：2019-06-20

    申请号：US15846434

    申请日：2017-12-19

    Applicant: Raytheon Company

    Inventor： Friedrich P. Strohkendl ,  Michael Ushinsky ,  Jeffrey P. Yanevich

    IPC: H01S3/23 ,  H01S3/04 ,  H01S3/063 ,  H01S3/10 ,  H01S3/17

    Abstract: An apparatus includes a PWG having a core region and a cladding layer. The amplifier is configured to receive pump light. The core region is configured to amplify an input beam using energy from the pump light to generate an amplified output beam. The apparatus also includes a cooling fluid configured to cool the core region. The cooling fluid has a lower refractive index than the core region and the cladding layer in order to support guiding of the input beam and pump light within the amplifier. The amplifier also includes first and second endcaps attached to opposite faces of the core region and cladding layer. The core region, cladding layer, and endcaps collectively form a monolithic fused structure. Each endcap has a major outer surface that is larger in area than a combined area of the faces of the core region and cladding layer to which the endcap is attached.

    THERMAL MANAGEMENT FOR HIGH-POWER OPTICAL FIBERS
    2.
    发明申请
    THERMAL MANAGEMENT FOR HIGH-POWER OPTICAL FIBERS 有权
    大功率光纤的热管理

    公开(公告)号：US20150331209A1

    公开(公告)日：2015-11-19

    申请号：US14133264

    申请日：2013-12-18

    Applicant: Raytheon Company

    Inventor： Joseph L. Pikulski ,  Michael Ushinsky ,  Friedrich P. Strohkendl ,  Carl W. Townsend

    IPC: G02B6/42 ,  C25D7/06 ,  C25D5/02 ,  G02B6/36 ,  H01S3/04

    CPC classification number: G02B6/4272 ,  C25D5/02 ,  C25D7/0607 ,  G02B6/3608 ,  G02B6/3612 ,  G02B6/3636 ,  H01S3/0407 ,  H01S3/042 ,  H01S3/06704

    Abstract: A method includes obtaining a substrate having at least one exposed metal surface. The method also includes electro-depositing metal onto the at least one exposed metal surface of the substrate and around at least a portion of an optical fiber to secure the optical fiber to the substrate. The substrate and the electro-deposited metal are configured to remove heat from the optical fiber. The method could further include electro-depositing metal around a sacrificial material and removing the sacrificial material to form at least one cooling channel through the electro-deposited metal. The optical fiber could include a polymer coating, where a portion of the polymer coating is removed at an end of the optical fiber. The substrate and the electro-deposited metal could be faceted at an input of the optical fiber and at an output of the optical fiber. The optical fiber could have a coiled arrangement on the substrate.

    Abstract translation: 一种方法包括获得具有至少一个暴露的金属表面的基底。 该方法还包括将金属电沉积到衬底的至少一个暴露的金属表面上并且围绕光纤的至少一部分，以将光纤固定到衬底。 衬底和电沉积金属构造成从光纤中去除热量。 该方法还可以包括在牺牲材料周围电沉积金属并去除牺牲材料以形成通过电沉积金属的至少一个冷却通道。 光纤可以包括聚合物涂层，其中聚合物涂层的一部分在光纤端部被去除。 基板和电沉积金属可以在光纤的输入端和光纤的输出端面刻面。 光纤可以在衬底上具有盘绕的布置。

    COMPACT PACKAGE FOR HIGH-ASPECT-RATIO RECTANGULAR (HARR) OPTICAL FIBER OR OTHER OPTICAL FIBER
    3.
    发明申请
    COMPACT PACKAGE FOR HIGH-ASPECT-RATIO RECTANGULAR (HARR) OPTICAL FIBER OR OTHER OPTICAL FIBER 有权

    公开(公告)号：US20210373266A1

    公开(公告)日：2021-12-02

    申请号：US16889392

    申请日：2020-06-01

    Applicant: Raytheon Company

    Inventor： David A. Rockwell ,  Friedrich P. Strohkendl ,  Ray McVey

    IPC: G02B6/44

    Abstract: An apparatus includes a base having walls that define a track. The track has input and output ends and defines a coiled path that spirals inward from the input end, reaches an inflection point where a direction of curvature is reversed, and spirals outward towards the output end. The track is configured to receive and maintain a majority of an optical fiber in an at least substantially planar coiled arrangement. The apparatus also includes a first transition arm positioned at the input end and a second transition arm positioned at the output end. Each transition arm is configured to be mechanically coupled to the base and includes a groove configured to receive and maintain a portion of the optical fiber in an at least substantially straight orientation. The walls and transition arms are configured to maintain thermal contact with the optical fiber along its entire length.

    Compact package for high-aspect-ratio rectangular (HARR) optical fiber or other optical fiber
    4.
    发明授权
    Compact package for high-aspect-ratio rectangular (HARR) optical fiber or other optical fiber 有权

    公开(公告)号：US11280973B2

    公开(公告)日：2022-03-22

    申请号：US16889392

    申请日：2020-06-01

    Applicant: Raytheon Company

    Inventor： David A. Rockwell ,  Friedrich P. Strohkendl ,  Ray McVey

    IPC: G02B6/38 ,  G02B6/44

    Abstract: An apparatus includes a base having walls that define a track. The track has input and output ends and defines a coiled path that spirals inward from the input end, reaches an inflection point where a direction of curvature is reversed, and spirals outward towards the output end. The track is configured to receive and maintain a majority of an optical fiber in an at least substantially planar coiled arrangement. The apparatus also includes a first transition arm positioned at the input end and a second transition arm positioned at the output end. Each transition arm is configured to be mechanically coupled to the base and includes a groove configured to receive and maintain a portion of the optical fiber in an at least substantially straight orientation. The walls and transition arms are configured to maintain thermal contact with the optical fiber along its entire length.

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