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    MICROSTRUCTURED MULTICORE OPTICAL FIBRE (MMOF), A DEVICE AND THE FABRICATION METHOD OF A DEVICE FOR INDEPENDENT ADDRESSING OF THE CORES OF MICROSTRUCTURED MULTICORE OPTICAL FIBRE
    2.
    发明申请
    MICROSTRUCTURED MULTICORE OPTICAL FIBRE (MMOF), A DEVICE AND THE FABRICATION METHOD OF A DEVICE FOR INDEPENDENT ADDRESSING OF THE CORES OF MICROSTRUCTURED MULTICORE OPTICAL FIBRE 审中-公开
    微结构多光纤（MMOF），器件及其制造方法，用于独立寻址微结构多光纤光纤的装置

    公开(公告)号：WO2015088365A2

    公开(公告)日：2015-06-18

    申请号：PCT/PL2014/050077

    申请日：2014-12-15

    Applicant: INPHOTECH SP. O. O.

    Inventor： NASIŁOWSKI, Tomasz ,  PAWLIK, Katarzyna Joanna ,  HOŁDYŃSKI, Zbigniew ,  MURAWSKI, Michał ,  TENEDERENDA, Tadeusz ,  NAPIERAŁA, Marek ,  ZIOŁOWICZ, Anna ,  OSTROWSKI, Łukasz ,  SŁOWIKOWSKI, Mateusz ,  SZOSTKIEWICZ, Łukasz ,  SZYMAŃSKI, Michał

    CPC classification number: G02B6/02042 ,  C03C25/68 ,  G02B6/02338 ,  G02B6/02357 ,  G02B6/02366 ,  H01S3/1608

    Abstract: Microstructured multicore optical fibre with a microstructure area, in which, at least two basic cells are embedded, where each of them contains a core, preferably made of glass, specifically including doped silica glass or polymer, together with the surrounding it longitudinal areas with lower refraction index vs. that of the cladding, which areas may adopt the shape of holes, filled with gas, in particular with the air or a fluid or a polymer or spaces of another glass with doping allowing to reduce refractive index(further referred to as holes), embedded in a matrix of glass, in particular of silica glass or polymer. The refraction index of the holes is decreased vs. that of the matrix of glass, in particular of silica glass or polymer. The basic cell is characterised by the diameter of D2 core, the diameter of D3 core and the distance between adjacent holes, corresponding to lattice constant Λ. The centres of the holes are localised on the vertices and the middle points of the sides of the hexagon, the centre of which is designated by the core; the length of side c of the hexagon, created by the centres of holes, is equal to the preferably doubled lattice constant Λ. The juxtaposed, at least, two basic cells are surrounded by the cladding, preferably made of glass, in particular of silica glass or polymer. Device for addressing cores of the multicore optical fibre, characteristic in that it contains single-core, single-mode optical fibres, with parallel layout in the capillary, (further referred to as single-mode optical fibres), in the number, corresponding to the number of the cores of the multicore optical fibre, while the capillary with single-mode optical fibres is connected with the multicore optical fibre, e.g., the microstructured optical fibre, according to this invention, while the cross-sections of the optical fibres in the capillary and the cross- section of the multicore optical fibre are parallel in their configuration. The fabrication method of the device for addressing cores consists in: 1. an analysis of the structure of multicore optical fibre and determination of the number of cores of the multicore optical fibre, the diameter of cores and the distances among them, 2. measurement of the diameters of the cores and of the claddings of single-mode optical fibres, with which the multicore optical fibre is connected, and the scale of tapering of the single-mode optical fibres is deteremined, 3. removal of the cladding of single-mode optical fibres and cleaning their surface, 4. etching, preferably with hydrofluoric acid, the exposed and cleaned fragments of the single-mode optical fibres, so that after their possible tapering and mutual reassembly, the alignment of the cores of the multicore optical fibre was possible with the cores of the single-mode optical fibre, 5. tapering of single-mode optical fibres, according to the calculated scale of tapering, allowing to achieve the diameters of their cores equal to the dimensions of the diameters of the cores of the multicore optical fibre (provided its preferable), 6. preparation of a capillary by its tapering to the size, allowing for insertion of single- mode optical fibres and glass rods, so that the inserted element shad no freedom of movement or that their movement was limited, 7. laying of single-mode optical fibres and glass rods in the capillary, 8. tapering and clamping of the laid and spliced structure in the capillary by its heating and tensing, while, if it is necessary, the multicore optical fibre is also tapered, 9. cleaving the capillary with the laid and spliced structure under right angle to the axis of the longitudinal capillary, preferably with a cleaver for optical fibres with various outer diameters and internal structures, with a possibility of controlled stretching of the fibre, preferably the capillary surface is polished, together with structure, laid in the capillary, 10. cleaving the multicore optical fibre and preferably polishing its surface, 11. orientation of the capillary vs. the multicore optical fibre, together with the structure, laid and welded in its inside, 12. connection of the multicore optical fibre with the capillary and the structure in its inside by means of any disclosed technology, preferably by splicing.

    Abstract translation: 具有微结构区域的微结构化多芯光纤，其中嵌入至少两个碱性电池，其中每个都包含芯，优选由玻璃制成，特别包括掺杂的石英玻璃或聚合物，以及周围的具有较低 折射指数与包层的折射率相关，哪些区域可以采用填充有气体的空气形状，特别是与空气或流体或具有掺杂的另一种玻璃的聚合物或空间，从而降低折射率（进一步称为 孔），嵌入玻璃基质，特别是石英玻璃或聚合物。 孔的折射率相对于玻璃基质，特别是石英玻璃或聚合物的折射率降低。 基本单元的特征在于D2芯的直径，D3芯的直径和相邻孔之间的距离，对应于晶格常数Λ。 孔的中心位于六边形的顶点和中间点，其中心由芯指定; 由孔的中心产生的六边形的侧面c的长度等于最佳加倍的晶格常数Λ。 并置的至少两个基本电池被包覆物包围，优选由玻璃制成，特别是石英玻璃或聚合物。 用于寻址多芯光纤的核心的设备，其特征在于它包含单芯单模光纤，在毛细管中具有并行布局（进一步称为单模光纤），数量对应于 多芯光纤的芯数，而具有单模光纤的毛细管与多芯光纤（例如，根据本发明的微结构光纤）连接，而光纤的横截面在 多芯光纤的毛细管和横截面在其结构上是平行的。 用于寻址核心的器件的制造方法在于：1.分析多芯光纤的结构，确定多芯光纤的核心数，核心直径及其间距，2.测量 确定单芯光纤连接的单模光纤的芯线和包层的直径以及单模光纤的渐缩尺度，3.去除单模光纤的包层 光纤并清洁它们的表面，4.优选用氢氟酸蚀刻单模光纤的暴露和清洁碎片，使得在其可能的锥形和相互重新组装之后，多芯光纤的芯的对准是 可能采用单模光纤的核心，5.单模光纤渐缩，根据计算出的锥度尺度，允许实现其芯的直径 等于多芯光纤的芯径的尺寸（提供其优选），6.通过锥形到尺寸而制备毛细管，允许插入单模光纤和玻璃棒，使得 插入的元件没有移动的自由或它们的运动受到限制，7.在毛细管中放置单模光纤和玻璃棒，8.通过其加热和拉紧在毛细管中逐渐和夹紧铺设和拼接的结构 如果有必要，多芯光纤也是锥形的，9.用垂直于纵向毛细管轴线的铺设和拼接结构分离毛细管，优选用具有各种外径的光纤的切割器， 内部结构，具有控制拉伸纤维的可能性，优选毛细管表面与构成毛细管的结构一起被抛光，10.切割多芯光纤 并且优选地抛光其表面，11.毛细管与多芯光纤的取向以及在其内部铺设和焊接的结构，12.多芯光纤与毛细管的连接以及其内部的结构 任何公开的技术，优选通过拼接。

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