公开(公告)号：US20140010500A1

公开(公告)日：2014-01-09

申请号：US14021600

申请日：2013-09-09

Applicant: Furukawa Electric Co., Ltd.

Inventor： Tsunetoshi SAITO ,  Kengo WATANABE

IPC: G02B6/40 ,  G01B11/27

CPC classification number: G02B6/40 ,  G01B11/272 ,  G02B6/3885 ,  G02B6/403

Abstract: An optical connector is structured so as to include a fiber connection structure therein. A multi-core fiber is included inside a ferrule, and affixed to the ferrule substrate. One end surface of the multi-core fiber is exposed to an end surface of the ferrule. The other end of the multi-core fiber passes through and is affixed to a capillary. A plurality of optical fiber pass through a capillary that faces the capillary, and are affixed thereto the capillary in the same manner. Seven optical fiber cores of the same diameter are joined in a close-packed arrangement in the fiber connection structure.

Abstract translation: 光连接器被构造为在其中包括光纤连接结构。 多芯纤维包括在套圈内，并固定在套圈衬底上。 多芯纤维的一个端面暴露于套圈的端面。 多芯纤维的另一端通过并固定在毛细管上。 多根光纤穿过面对毛细管的毛细管，并以相同的方式固定在毛细管上。 相同直径的七个光纤芯以紧密堆积的方式连接在光纤连接结构中。

公开(公告)号：US20230314700A1

公开(公告)日：2023-10-05

申请号：US18332177

申请日：2023-06-09

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Kengo WATANABE ,  Masanori TAKAHASHI ,  Ryuichi SUGIZAKI ,  Koichi MAEDA ,  Shigehiro TAKASAKA

IPC: G02B6/04 ,  C03B37/028

CPC classification number: G02B6/04 ,  C03B37/028

Abstract: An optical fiber bundle structure includes: a plurality of optical fiber core wires; and a capillary, wherein each of the optical fiber core wires includes a glass fiber portion including a core and a clad, and a resin coated portion, the glass fiber portions are inserted in the capillary, and d2/d1 is equal to or larger than 0.57 and smaller than 1, where d1 is a diameter of the core of each of the glass fiber portions in a rear end portion of the capillary and d2 is a diameter of the core of each of the glass fiber portions in a distal end portion of the capillary.

公开(公告)号：US20210186612A1

公开(公告)日：2021-06-24

申请号：US17195844

申请日：2021-03-09

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Kengo WATANABE ,  Shunichi MATSUSHITA ,  Yoshiki NOMURA ,  Shigehiro TAKASAKA ,  Masaki IWAMA

IPC: A61B18/22 ,  G02B6/34 ,  G02B6/26

Abstract: To provide an optical probe capable of changing a traveling direction of an output beam to a sideward direction. The optical probe includes an optical fiber that outputs a beam from a distal end thereof, and a traveling direction changing unit that changes a traveling direction of the output beam to a sideward direction with respect to the optical fiber. The optical probe includes a holder member that is mounted on a distal end side of the optical fiber and holds the optical fiber, and the traveling direction changing unit may be a reflector that is arranged on the holder member and that reflects output beam.

公开(公告)号：US20210177516A1

公开(公告)日：2021-06-17

申请号：US17190715

申请日：2021-03-03

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yoshiki NOMURA ,  Kengo WATANABE ,  Shunichi MATSUSHITA

IPC: A61B18/24 ,  G02B6/34

Abstract: An optical probe includes: an optical fiber; a reflecting portion; and a traveling direction changing portion changing a traveling direction of a laser beam of a first wavelength that has transmitted through the reflecting portion to a direction different from a traveling direction before transmitting through the reflecting portion. Further, the traveling direction changing portion is configured by a bending structure having a structure in which a portion on a distal end side of the optical fiber is bent, and the reflecting portion is provided closer to a proximal end side of the optical fiber than the bending structure.

公开(公告)号：US20160028206A1

公开(公告)日：2016-01-28

申请号：US14835641

申请日：2015-08-25

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Kengo WATANABE ,  Tsunetoshi SAITO ,  Yukihiro TSUCHIDA ,  Koichi MAEDA ,  Katsunori IMAMURA

IPC: H01S3/094 ,  G02B6/02 ,  H01S3/067 ,  G02B6/40

CPC classification number: H01S3/094042 ,  G02B6/02042 ,  G02B6/2552 ,  G02B6/2856 ,  G02B6/40 ,  H01S3/06737 ,  H01S3/06745 ,  H01S3/06783 ,  H01S3/094003 ,  H01S3/1608

Abstract: A bundle structure is obtained by arranging optical fibers having equal diameters in a close-packed arrangement around the outer circumference of a center optical fiber. The optical fibers are signal light optical fibers that transmit signal lights. The optical fiber is a pump light optical fiber that transmits pump light. The number of optical fibers is equal to the number of cores in the multi-core fiber. The bundle structure and the multi-core fiber are connected to one another by adhering or fusing. The cores and the cores are optically connected, and the core and the cladding are optically connected. When connecting, the mode field diameter of the cores and the cores are substantially equivalent. In addition, the outer diameter (diameter of circumscribed circle including optical fibers) of the bundle structure is set so as not to be greater than the outer diameter of the multi-core fiber.

Abstract translation: 通过以紧密堆积的方式布置具有相等直径的光纤围绕中心光纤的外圆周来获得束结构。 光纤是传输信号灯的信号光纤。 光纤是透射泵浦光的泵浦光纤。 光纤的数量等于多芯光纤中的芯数。 束结构和多芯光纤通过粘接或熔合而相互连接。 芯和芯被光学连接，并且芯和包层被光学连接。 当连接时，芯和芯的模场直径基本相等。 此外，束结构的外径（包括光纤的外接圆的直径）设定为不大于多芯纤维的外径。