HOLLOW-CORE OPTICAL FIBERS
    2.
    发明公开

    公开(公告)号:US20240036248A1

    公开(公告)日:2024-02-01

    申请号:US18225409

    申请日:2023-07-24

    IPC分类号: G02B6/02 G02B6/032

    CPC分类号: G02B6/02328 G02B6/032

    摘要: A hollow-core optical fiber may include a hollow core extending along a central longitudinal axis of the fiber; a substrate; a plurality of first cladding elements spaced apart from each other and positioned between the hollow core and the substrate, each of the first cladding elements extending in a direction parallel to the central longitudinal axis of the fiber, each of the first cladding elements including a first capillary; and a plurality of second cladding elements spaced apart from each other and positioned between the hollow core and the substrate, each of the second cladding elements extending in a direction parallel to the central longitudinal axis of the fiber, each of the second cladding elements including a second capillary. Each of the first cladding elements directly contacts the inner surface of the substrate, and none of the second cladding elements directly contacts the inner surface of the substrate.

    HOLLOW-CORE OPTICAL FIBERS
    4.
    发明公开

    公开(公告)号:US20240036250A1

    公开(公告)日:2024-02-01

    申请号:US18226324

    申请日:2023-07-26

    IPC分类号: G02B6/02 G02B6/036

    摘要: A hollow-core optical fiber may include a hollow-core extending along a central longitudinal axis of the hollow-core optical fiber; a substrate; a first cladding positioned between the central longitudinal axis and an inner surface of the substrate, the first cladding surrounding the central longitudinal axis of the hollow-core optical fiber and having a Bragg structure configured to provide a photonic bandgap operable to confine an optical signal with a wavelength λ propagating in the hollow-core of the hollow-core optical fiber; and a second cladding positioned between the central longitudinal axis of the hollow-core optical fiber and the inner surface of the substrate, the second cladding surrounding the central longitudinal axis of the hollow-core optical fiber and including a plurality of cladding elements configured to provide an anti-resonant effect at the wavelength λ, the anti-resonant effect operable to confine the optical signal at the wavelength λ in the hollow-core.

    HOLLOW-CORE OPTICAL FIBERS
    6.
    发明公开

    公开(公告)号:US20240036253A1

    公开(公告)日:2024-02-01

    申请号:US18226343

    申请日:2023-07-26

    IPC分类号: G02B6/032

    CPC分类号: G02B6/032

    摘要: A hollow-core optical fiber may include a substrate having a tubular shape and an inner surface surrounding a central longitudinal axis of the hollow-core optical fiber; a hollow core extending through the substrate along the central longitudinal axis of the hollow-core optical fiber; and a plurality of cladding elements positioned between the central longitudinal axis of the hollow-core optical fiber and the substrate. Each of the plurality of cladding elements may extend in a direction parallel to the central longitudinal axis of the hollow-core optical fiber. Each of the plurality of cladding elements may include a wound glass sheet configured as a spiral, and each of the plurality of cladding elements may contact an interior surface of the substrate.

    HOLLOW-CORE OPTICAL FIBERS
    7.
    发明公开

    公开(公告)号:US20240036252A1

    公开(公告)日:2024-02-01

    申请号:US18226319

    申请日:2023-07-26

    IPC分类号: G02B6/032

    CPC分类号: G02B6/032

    摘要: A hollow-core optical fiber may include a hollow core extending along a central longitudinal axis of the fiber; a substrate, the substrate having a tubular shape and an inner surface surrounding the central longitudinal axis of the fiber; and a plurality of cladding elements positioned between the hollow core and the substrate, each of the cladding elements extending in a direction parallel to the central longitudinal axis of the fiber. Each of the cladding elements includes a primary capillary, the primary capillary directly contacting the inner surface of the substrate and having an inner surface defining a cavity, and a plurality of nested capillaries positioned within the cavity, each of the nested capillaries directly contacting the inner surface of the primary capillary.