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    • 3. 发明授权
    • Optical fibers and core - forming compositions
    • 光纤和芯成型组合物
    • US5314979A
    • 1994-05-24
    • US803552
    • 1991-12-09
    • Hiroshige OkinoshimaShohei KozakaiTomiya Abe
    • Hiroshige OkinoshimaShohei KozakaiTomiya Abe
    • C08L83/04G02B1/04C08G77/04
    • G02B1/046C08L83/04C08G77/12C08G77/16C08G77/20
    • A composition comprising (A) an organopolysiloxane having a unit of the formula: R.sup.1 SiO.sub.3/2 wherein R.sup.1 is methyl, phenyl or vinyl in its molecule and having at least 0.05 alkenyl groups each directly attached to a silicon atom per silicon atom, (B) an organohydrogenpolysiloxane having at least 2 hydrogen atoms each directly attached to a silicon atom per molecule, (C) a platinum catalyst, and (D) an organosilane or organopolysiloxane of the formula: R.sup.2.sub.a (R.sup.3 O).sub.b SiO.sub.(4-a-b)/2 wherein R.sup.2 and R.sup.3 are hydrogen, methyl, phenyl or vinyl maintains good light transmission in cured form when exposed to humidity and is thus suitable for forming cores of optical fibers. Similar benefits are obtained with a composition comprising components (A) and (B), (C') a platinum catalyst and/or a radical polymerization initiator, and (E) a carboxylate.
    • (A)具有下式的有机聚硅氧烷:R1SiO3 / 2其中R1是甲基,分子内是苯基或乙烯基并且每个硅原子直接连接到硅原子上的至少0.05个烯基;(B) 具有至少2个氢原子的有机氢聚硅氧烷,每个分子直接连接到硅原子,(C)铂催化剂和(D)下式的有机硅烷或有机聚硅氧烷:(R 2 O)(R 3 O)b SiO(4-ab) R2和R3是氢,甲基,苯基或乙烯基在暴露于湿度时,以固化形式保持良好的透光性,因此适合于形成光纤芯。 使用包含组分(A)和(B),(C')铂催化剂和/或自由基聚合引发剂的组合物和(E)羧酸酯获得类似的益处。
    • 10. 发明授权
    • Wavelength separation optical device and multiple wavelength light transmission module
    • 波长分离光学器件和多波长光传输模块
    • US06711326B2
    • 2004-03-23
    • US10354105
    • 2003-01-30
    • Tatsuya SugitaKoki HiranoTomiya AbeYuzo Ito
    • Tatsuya SugitaKoki HiranoTomiya AbeYuzo Ito
    • G02B627
    • G02B6/272G02B6/29361G02B6/29364G02B6/2938G02B6/4246G02B6/4249
    • Optical signals of which wavelength is multipled and which are transferred via an optical fiber 10 make incidence to refractive index distributing lens 34 and are converted into substantially parallel light beams, the optical signals converted make incidence into a polarized light conversion element 20a and are separated therein into two light beams and are emitted in a form of two linear polarized light beams of which polarization direction are aligned. The linear polarized light beams are separated by wavelength separation filters 28a, 28b and 28c, and make incidence with every two wavelength components either into a polarized light conversion element 20b or into polarized light conversion element 20c, and the optical paths for the light beams separated into two by the polarized light conversion element 20a are joined to form one light beam path for every waveform component. The optical signals of the four wavelength components are reflected either by a mirror 31b or by a mirror 31c, are converged by such as a hologram lens 40c, and, after being reflected by a mirror 32, are detected for every wavelength component by the photo detector array 36.
    • 波长被乘以并通过光纤10传送的光信号进入折射率分布透镜34并被转换成基本上平行的光束,光信号被转换成入射到偏振光转换元件20a中并在其中分离 分为两个光束,并以两个偏振方向对齐的线性偏振光束的形式发射。 线性偏振光束被波长分离滤光器28a,28b和28c分离,并且将每两个波长分量入射到偏振光转换元件20b或偏振光转换元件20c中,并且光束的光路分离 由偏振光转换元件20a连接成两个,以形成每个波形分量的一个光束路径。 四个波长分量的光信号由反射镜31b或反射镜31c反射,被诸如全息透镜40c会聚,并且在由反射镜32反射后,通过照片检测每个波长分量 检测器阵列36。