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    • 3. 发明授权
    • Optical switch and switching method
    • 光开关和开关方式
    • US06002819A
    • 1999-12-14
    • US975056
    • 1997-11-20
    • Kazuhito SaitoTakeo KomiyaMitsuaki TamuraKazumasa OzawaKenichi TomitaNaoki NakaoMasato Kuroiwa
    • Kazuhito SaitoTakeo KomiyaMitsuaki TamuraKazumasa OzawaKenichi TomitaNaoki NakaoMasato Kuroiwa
    • G02B6/35G02B6/38G02B6/26
    • G02B6/3508G02B6/3548G02B6/358G02B6/3588G02B6/382
    • An optical switch 1 of the present invention comprises an optical fiber arraying member 21 for keeping a plurality of first optical fibers 20 juxtaposed with tip portions thereof being aligned, a movable arm 31, opposed to the optical fiber arraying member, for holding a tip portion of at least one second optical fiber 30, a driving mechanism 40 for driving this movable arm 31 to selectively optically coupling the second optical fiber 30 with an arbitrary first optical fiber 20, a supplying mechanism 60 for, when a first optical fiber 20 is optically coupled with the second optical fiber, dropping and charging an index matching agent to a gap between these optical fibers 20, 30, and drop controllers 67, 68 for controlling the supplying mechanism 60, wherein the index matching agent is dropped and charged into only the gap between the optical fibers, so that foreign matter produced in the driving mechanism 40 or the like is prevented from intruding into the coupling part between the optical fibers 20, 30, thus assuring stable optical characteristics.
    • 本发明的光开关1包括光纤排列构件21,用于保持多个第一光纤20并排,其顶端部分对准,与光纤排列构件相对的可动臂31,用于保持尖端部分 至少一个第二光纤30的驱动机构40,用于驱动该可动臂31以选择性地将第二光纤30与任意的第一光纤20光耦合的驱动机构40;当第一光纤20是光学的时,供应机构60 与第二光纤耦合,将折射率匹配剂滴入和充电到这些光纤20,30之间的间隙,以及用于控制供给机构60的液滴控制器67,68,其中,折射率匹配剂被丢弃并仅装入 光纤之间的间隙,从而防止在驱动机构40等中产生的异物侵入到opt之间的耦合部分 光纤20,30,从而确保稳定的光学特性。
    • 8. 发明授权
    • Optical waveguide module
    • 光波导模块
    • US07024079B2
    • 2006-04-04
    • US10483817
    • 2003-05-14
    • Takeo KomiyaTakashi Sasaki
    • Takeo KomiyaTakashi Sasaki
    • G02B6/30
    • G02B6/4249G02B6/29368G02B6/42G02B6/4214G02B6/4246
    • In a planar-waveguide-type optical circuit 1, a reflection filter 4 is placed inside an oblique groove 3 formed to traverse optical waveguides 2n. Reflected light from the reflection filter 4 is detected by photodetectors 61n of a photodetector array 6, and thereby light intensity of signal light is monitored. A glass substrate made of glass material having a refractive index substantially identical to that of a core 20 of the optical waveguide 2n and filter fixing resin 5 fixing the reflection filter 4 is used for a substrate 10 of the optical circuit 1 constituting part of the groove 3. This inhibits reflection of light in various regions of the groove 3, thereby reducing generation of extra scattered light inside the groove 3 and its confinement. An optical waveguide module capable of enhancing monitoring characteristics of the signal light is thus realized.
    • 在平面波导型光电路1中,将反射滤光器4配置在形成为横穿光波导2 N的倾斜槽3的内部。 来自反射滤光器4的反射光由光检测器阵列6的光电检测器61N检测,从而监测信号光的光强度。 由玻璃材料制成的玻璃基板,其折射率与光波导2的核心20和固定反射滤光片4的滤光片固定树脂5的折射率基本相同,被用于 构成槽3的一部分的光电路1。 这抑制了凹槽3的各个区域的光的反射,从而减少了凹槽3内的多余的散射光的产生及其限制。 因此实现了能够增强信号光的监视特性的光波导模块。
    • 9. 发明授权
    • Optical power monitoring apparatus, optical power monitoring method, and light receiving device
    • 光功率监测装置,光功率监测方法和光接收装置
    • US07313293B2
    • 2007-12-25
    • US11076018
    • 2005-03-10
    • Kiyotaka MurashimaAkira InoueTakeo Komiya
    • Kiyotaka MurashimaAkira InoueTakeo Komiya
    • G02B6/12
    • G02B6/4203G02B6/4206G02B6/4207G02B6/4249
    • An optical power monitoring apparatus according to an aspect of the present invention has an input optical waveguide, a light receiver, and an output optical waveguide. The input optical waveguide has a light entrance end and a light exit end. The input optical waveguide accepts light from the exterior through the light entrance end and outputs the light from the light exit end. The light receiver absorbs part of the light from the light exit end of the input optical waveguide and transmits the other part of the light. The output optical waveguide has a light entrance end and a light exit end. The output optical waveguide accepts the light transmitted by the light receiver, through the light entrance end, and outputs the light from the light exit end. The light receiver is provided on an optical path from the light exit end of the input optical waveguide to the light entrance end of the output optical waveguide.
    • 根据本发明的一个方面的光功率监测装置具有输入光波导,光接收器和输出光波导。 输入光波导具有光入射端和光出射端。 输入光波导通过光入射端从外部接收光,并从光出射端输出光。 光接收器从输入光波导的光出射端吸收一部分光,并透射光的另一部分。 输出光波导具有光入射端和光出射端。 输出光波导通过光入射端接收由光接收器透射的光,并输出来自光出射端的光。 光接收器设置在从输入光波导的光出射端到输出光波导的光入射端的光路上。