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    • 42. 发明申请
    • ANORDNUNG ZUR ERZEUGUNG VON OPTISCHEN MEHRWELLENSIGNALEN UND MEHRSIGNAL-QUELLE
    • 安排发生光学SIGNALS WAVE越来越更多选择源
    • WO2004102239A1
    • 2004-11-25
    • PCT/DE2004/000997
    • 2004-05-07
    • FORSCHUNGSVERBUND BERLIN E.V.HERRMANN, JoachimHUSAKOU, Anton
    • HERRMANN, JoachimHUSAKOU, Anton
    • G02B6/16
    • G02B6/02333C03B2201/02C03B2201/86C03B2203/14C03B2203/34C03B2203/42G02B6/02338G02B6/02347G02B6/02371G02F1/3532G02F1/3536G02F1/365
    • Aufgabe der Erfindung ist es, eine kompakte Anordnung zur Erzeugung von optischen Mehrwellensignalen anzugeben, die einfacher und preiswerter in ihrer Herstellung als die dem Stand der Technik nach bekannten Lösungen ist. Die erfindungsgemäße Lösung sieht eine Anordnung zur Erzeugung von optischen Mehrwellensignalen vor, die mindestens eine Pumpquelle (1), die Pumpimpulse erzeugt, und eine Mehrkern-Photonische-Kristallfaser (MCPCF) (3) aufweist, die aus N Kernen und um die Kerne angeordneten Kapillaren aus einem Material mit einer kleineren Brechzahl als der des Kerns besteht, wobei jeder Kern mit den um ihn angeordneten Kapillaren einen Wellenleiter bildet und alle Wellenleiter geringe Unterschiede in der effektiven Brechzahl aufweisen, und Pumpquelle und MCPCF derart verbunden sind, dass die Pumpimpulse in die gesamte Fläche der MCPCF eingestrahlt und beim Durchgang der Pumpimpulse durch die einzelnen Wellenleiter mittels Vierwellenmischung Idler-Impulse mit unterschiedlichen diskreten Wellenlängen erzeugt werden.
    • 本发明的目的是提供一种生产在其制造中,它是根据已知的解决方案更简单和更便宜的现有技术的多波长的光信号提供紧凑的布置。 本发明的溶液提供了一种配置用于产生能够被制造的多波长光学信号的至少一个泵浦源(1),泵的脉冲,和一个多芯光子晶体光纤(MCPCF)(3),其从N个核和围绕芯毛细管布置 由具有比芯小的折射率的材料制成,每个芯与具有他周围间隔开的毛细血管的波导,并且具有有效折射率小的差异的所有波导构成,泵浦源和MCPCF被连接,使得在整个泵脉冲 的MCPCF的和泵脉冲的通过单个波导由四波混频惰脉冲的装置通过的过程中被照射表面的不同离散波长的生成。
    • 46. 发明申请
    • DUAL CORE PHOTONIC CRYSTAL FIBERS (PCF) WITH SPECIAL DISPERSION PROPERTIES
    • 具有特殊分散性的双核光子晶体纤维(PCF)
    • WO2002084350A1
    • 2002-10-24
    • PCT/DK2002/000245
    • 2002-04-11
    • CRYSTAL FIBRE A/SLIBORI, Stig, Eigil, BarkouBROENG, JesBJARKLEV, AndersMORTENSEN, Niels, AsgerJENSEN, Jacob, Riis
    • LIBORI, Stig, Eigil, BarkouBROENG, JesBJARKLEV, AndersMORTENSEN, Niels, AsgerJENSEN, Jacob, Riis
    • G02B6/16
    • G02B6/03644G02B6/02042G02B6/02261G02B6/0228G02B6/02333G02B6/02338G02B6/02347G02B6/02357G02B6/02361G02B6/02366G02B6/02371G02B6/0238G02B6/03627G02B6/03688G02B6/29377
    • An optical fibre for transmitting light, said optical fibre having an axial direction and a cross section perpendicular to said axial direction, said optical fibre comprising: (1) a first core region comprising a first core material having a refractive index N co,1 ; (2) a microstructured first cladding region surrounding the first core region, said first cladding region comprising a first cladding material and a plurality of spaced apart first cladding features or elements that are elongated in the fibre axial direction and disposed in the first cladding material, said first cladding material having a refractive index N cl,l and each said first cladding feature or element having a refractive index being lower than N cl,1 , whereby a resultant geometrical index N¿ge,cl, 1? of the first cladding region is lowered compared to N cl,1 ; (3) a second core region surrounding said first cladding region, said second core region comprising a second core material having a refractive index N co,2 , and (4) a second cladding region surrounding the second core region, said second cladding region comprising a second cladding material having a refractive index N cl,2 , wherein the first core material, the first cladding material and the first cladding features, the second core material, and the second cladding material are selected and arranged so that N co,1 > N ge,cl,1 , N co,2 > N ge,cl,l , and N co,2 > N cl,2 .
    • 1.一种用于透射光的光纤,所述光纤具有轴向和垂直于所述轴向的横截面,所述光纤包括:(1)第一芯区,包括具有折射率Nco的第一芯材料; (2)围绕第一芯区域的微结构化第一包层区域,所述第一包层区域包括第一包层材料和多个间隔开的第一包层特征或在纤维轴向方向上延伸并设置在第一包层材料中的元件, 所述第一包层材料具有折射率Ncl,l,并且每个所述第一包层特征或元件具有低于Ncl,1的折射率,由此与Ncl相比,第一包层区域的合成几何指数Nge,cl,1降低 ,1; (3)围绕所述第一包层区域的第二纤芯区域,所述第二纤芯区域包括具有折射率Nco的第二纤芯材料,以及(4)围绕所述第二纤芯区域的第二包覆区域,所述第二包覆区域包括 具有折射率Ncl,2的第二包层材料,其中所述第一芯材料,所述第一包层材料和所述第一包层材料,所述第二芯材料和所述第二包层材料被选择和布置,使得Nco1> Nge,cl ,1,Nco,2> Nge,cl,l和Nco,2> Ncl,2。
    • 47. 发明申请
    • DISPERSION MANIPULATING FIBRE
    • 分散操作纤维
    • WO02012931A3
    • 2002-05-30
    • PCT/DK2001/000511
    • 2001-07-20
    • G02B6/02G02B6/122G02B6/16
    • G02B6/02323B82Y20/00G02B6/02233G02B6/02242G02B6/02333G02B6/02338G02B6/02347G02B6/02357G02B6/02361G02B6/03611G02B6/03627G02B6/03633G02B6/03688G02B6/1225
    • Micro-structured optical fibres are improved with respect to increasing the dispersion, both to large negative or large positive values, in a first fibre design in which the fibre has a micro-structured core region being surrounded by a micro-structured cladding region with cladding features being large compared to a predetermined wavelength of light, which can be guided through the fibre. Preferably, the effective index of refraction of the core region, Nco, is larger than the effective index of refraction of the cladding region Ncl, at the predetermined wavelength of light. It is further preferred that the refractive index of one or more of the core features is lower than the refractive index of the core material. Increased dispersion is also obtained by a second optical fibre design in which the fibre has two cladding regions, where the inner cladding region may be micro-structured with inner cladding features and having an effective refractive index that is larger than the effective refractive index of the outer cladding region at the operating wavelengths, i.e. the fibre has an inner cladding with a raised effective refractive index. For the second fibre design it is preferred that the outer cladding region is micro-structured with outer cladding features.
    • 关于在第一光纤设计中增加分散度到大的负的或大的正值的微结构光纤被改进,其中光纤具有由具有包层的微结构的包层区域包围的微结构的核心区域 特征与可以被引导通过光纤的预定波长的光相比是大的。 优选地,核心区域Nco的折射的有效折射率大于在预定波长的光下包层区域Ncl的有效折射率。 进一步优选的是,一个或多个芯部特征的折射率低于芯材料的折射率。 通过第二光纤设计获得增加的色散,其中光纤具有两个包层区域,其中内包层区域可以是具有内包层特征的微结构并且具有大于有效折射率的有效折射率 外包层区域在工作波长,即纤维具有提高的有效折射率的内包层。 对于第二光纤设计,优选的是,外包层区域是具有外包层特征的微结构。
    • 48. 发明申请
    • DISPERSION COMPENSATING PHOTONIC CRYSTAL FIBER
    • 分散补偿光电晶体纤维
    • WO0198819A3
    • 2002-05-10
    • PCT/US0114329
    • 2001-05-03
    • CORNING INC
    • FAJARDO JAMES CSRIKANT VWEST JAMES A
    • G02B6/00G02B6/02G02B6/032G02B6/16
    • G02B6/02333G02B6/02261G02B6/02338G02B6/02347G02B6/02357G02B6/02361G02B6/02366G02B6/0238G02B6/03677
    • A fiber optic waveguide is disclosed. The fiber optic waveguide includes a core region (44), and a moat region (50) surrounding the core region (44). A cladding region (42) surrounds the moat region (50) and the core region (44). The cladding region (42) includes a lattice (56) of column structures disposed within a solid background matrix (48). The diameter of the core region (44) is sized for making contact with the moat region (50) for creating an extended core region (54) at longer wavelengths. The core region (44), the moat region (50), and the cladding region (42) function to produce unique dispersion compensating properties, which include negative dispersion and positive dispersion. The core region (44) may be formed from a high index material and the moat region (50) may be formed from a material having a refractive index lower than the refractive index of the core region (44). The cladding region (42) is formed from a material having a refractive index which is higher than the index of the moat region (50) and lower than the refractive index of core region (44).
    • 公开了一种光纤波导。 光纤波导包括芯区域(44)和围绕芯区域(44)的护环区域(50)。 围绕护城河区域(50)和核心区域(44)的包层区域(42)。 包层区域(42)包括设置在固体背景矩阵(48)内的列结构的晶格(56)。 核心区域(44)的直径的尺寸设置成与护环区域(50)接触,以产生更长波长的延伸芯部区域(54)。 核心区域(44),护城河区域(50)和包层区域(42)起着独特的色散补偿特性的作用,其包括负色散和正色散。 芯区域(44)可以由高折射率材料形成,并且护环区域(50)可以由折射率低于芯部区域(44)的折射率的材料形成。 包层区域(42)由折射率高于护环区域(50)的折射率并低于芯部区域(44)的折射率的材料形成。