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    • 4. 发明申请
    • COUPLING STRUCTURE FOR OPTICAL FIBRES AND PROCESS FOR MAKING IT
    • 光纤耦合结构及其制造工艺
    • WO2004097486A1
    • 2004-11-11
    • PCT/EP2003/004473
    • 2003-04-29
    • PIRELLI & C. S.P.A.ST MICROELECTRONICS NVMARTINI, FrancescoMONTANINI, PietroOLIVETI, GuidoRAMPULLA, AlbertoROSSI, Giacomo
    • MARTINI, FrancescoMONTANINI, PietroOLIVETI, GuidoRAMPULLA, AlbertoROSSI, Giacomo
    • G02B6/42
    • G02B6/132G02B6/136G02B6/4206
    • The invention relates to a coupling structure for coupling optical radiation, i.e., light, between an optical fibre and an optical device, e.g., a laser diode or a photodiode, said coupling structure comprising an optical through-via which guides the optical radiation to or from the optical fibre. According to the invention, light exiting the fibre travels through a guidance channel so as it remains substantially confined to a narrow optical path that mimics the fibre core. Conversely, light enters the fibre after having travelled through the guidance channel. The guidance channel comprises a first core region, the “channel core”, having first refractive index surrounded by a second region, the “channel cladding” having a second refractive index smaller than the first refractive index. The coupling structure including the guidance channel is preferably made of semiconductor-based material, more preferably of silicon-based material. The guidance channel comprises preferably silicon oxide. The coupling structure further comprises a fibre drive-in element, which facilitates insertion and alignment of the optical fibre to the guidance channel.
    • 本发明涉及用于耦合在光纤和光学器件(例如激光二极管或光电二极管)之间的光辐射的耦合结构,所述耦合结构包括光学通孔,其将光辐射引导到或 从光纤。 根据本发明,离开纤维的光线穿过引导通道,使得其基本上限制在模拟纤维芯的窄光路上。 相反,光线穿过引导通道后进入光纤。 引导通道包括第一芯区域,具有由第二区域包围的第一折射率的“通道芯”,“沟道包层”具有小于第一折射率的第二折射率。 包括引导通道的联接结构优选地由半导体材料制成,更优选由硅基材料制成。 引导通道优选地包括氧化硅。 耦合结构还包括光纤驱入元件,其有助于光纤插入和对准引导通道。
    • 7. 发明申请
    • DEVICE FOR CONNECTING AN OPTICAL FIBRE
    • 用于连接光纤的设备
    • WO2003014791A2
    • 2003-02-20
    • PCT/EP2002/008794
    • 2002-08-06
    • PIRELLI CAVI E SISTEMI S.P.A.ROSSI, GiacomoOLIVETI, Guido
    • ROSSI, GiacomoOLIVETI, Guido
    • G02B6/38
    • G02B6/3839G02B6/25G02B6/3806G02B6/3825G02B6/3838G02B6/3849G02B6/3855G02B6/3858G02B6/3862G02B6/387G02B6/3878G02B6/3887G02B6/3893G02B6/3897G02B6/4246G02B6/4249G02B6/4292G02B2006/4297
    • A device for connecting an optical fibre is described, said device comprising a connector adapted to be associated with at least one optical fibre and to be inserted into a receptacle along a predetermined insertion direction so as to realise an optical connection along an optical connection axis between said at least one optical fibre and at least one connection component housed in the receptacle, wherein said optical connection axis is inclined at an angle of less than 20° with respect to said predetermined insertion direction. The connector comprises a main body adapted to hold a first portion of an end part of at least one optical fibre and to let a second portion of said end part of optical fibre project. A cover is slidably associated with the main body and is mobile between a first operational position, wherein the cover houses said second portion of the end part of optical fibre inside of it, and a second operational position, wherein the cover leaves at least one bare end portion of predetermined length of said second portion of the end part of optical fibre completely uncovered. The cover comprises at least one opening for the passage of said second portion of the end part of optical fibre; such an opening is of a size which is much larger than the size of said second portion of the end part of optical fibre, so as not to interfere with said fibre during the movement of the cover between the first and the second operational position and vice-versa.
    • 描述了用于连接光纤的设备,所述设备包括适于与至少一个光纤相关联并且沿预定插入方向插入插座的连接器,以便实现沿着光学连接轴线 所述至少一个光纤和容纳在所述插座中的至少一个连接部件,其中所述光学连接轴线相对于所述预定插入方向以小于20°的角度倾斜。 连接器包括适于保持至少一根光纤的端部的第一部分并使光纤的所述端部的第二部分突出的主体。 盖与主体可滑动地相关联并且可在第一操作位置之间移动,其中,所述盖容纳其内部的光纤的端部的所述第二部分和第二操作位置,其中所述盖离开至少一个裸露 光纤端部的所述第二部分的预定长度的端部完全未被覆盖。 所述盖包括用于光纤端部的所述第二部分通过的至少一个开口; 这样的开口的尺寸比光纤的端部的所述第二部分的尺寸大得多,以便在盖在第一和第二操作位置的移动期间不会干扰所述的光纤, -versa。