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    • 1. 发明申请
    • Wavelength separation film and filter for optical communication using the same
    • 用于光通信的波长分离膜和滤波器
    • US20090207495A1
    • 2009-08-20
    • US12318137
    • 2008-12-22
    • Yoshimasa YAMAGUCHIMasaaki KADOMI
    • Yoshimasa YAMAGUCHIMasaaki KADOMI
    • G02B5/28G02B1/10
    • G02B27/142G02B5/286
    • A wavelength separation film having a structure containing plural thin films laminated to each other including a first thin film containing a high refractive index material, a second thin film containing a low refractive index material, and a third thin film containing a material having an intermediate refractive index that intervenes between the refractive index of the high refractive index material and the refractive index of the low refractive index material, the high refractive index material being silicon, the low refractive index material being at least one selected from silicon oxide, magnesium fluoride and aluminum oxide, and the material having an intermediate refractive index being at least one selected from titanium oxide, tantalum oxide, niobium oxide, zirconium oxide, hafnium oxide and aluminum oxide.
    • 一种波长分离膜,其具有包含彼此层叠的多个薄膜的结构,所述多个薄膜包括含有高折射率材料的第一薄膜,含有低折射率材料的第二薄膜,以及含有中等折射率的材料的第三薄膜 介于高折射率材料的折射率和低折射率材料的折射率之间的折射率,高折射率材料是硅,低折射率材料是选自氧化硅,氟化镁和铝中的至少一种 氧化物,中间折射率为选自氧化钛,氧化钽,氧化铌,氧化锆,氧化铪和氧化铝中的至少一种的材料。
    • 3. 发明申请
    • Optical component for optical communication
    • 用于光通信的光学元件
    • US20070165981A1
    • 2007-07-19
    • US11634952
    • 2006-12-07
    • Hirokazu TanakaMasanori WadaMasaaki Kadomi
    • Hirokazu TanakaMasanori WadaMasaaki Kadomi
    • G02B6/32
    • G02B6/327
    • Provided is an optical component for optical communication which is capable of suitably accepting a request to reduce a size, resisting a thermal expansion coefficient difference between constituent elements, and adjusting incident and exit modes relative to an end of an optical fiber to thereby constantly attain optical characteristics which correspond to the request. The optical component includes a fiber holding member (3) holding an optical fiber (2), and a lens (4) which is located on an optical path extending from an end of the optical fiber (2) and attached to the fiber holding member (3). A flat portion (4a) formed in a rear end of the lens (4) is bonded to be fixed to a flat portion (6a) of an end of the fiber holding member (3) such that the flat portion (4a) of the lens (4) is opposed to the end of the optical fiber (2). A gap is provided between the flat portion (4a) of the lens (4) and the end (2a) of the optical fiber (2).
    • 提供一种光通信用光学部件,其能够适当地接受减小尺寸,抵抗构成元件之间的热膨胀系数差异的请求,并且相对于光纤的端部调整入射和退出模式,从而不断获得光学 特征符合要求。 光学部件包括保持光纤(2)的光纤保持部件(3)和位于从光纤(2)的端部延伸并安装在光纤保持部件上的光路上的透镜(4) (3)。 形成在透镜(4)的后端的平坦部分(4a)被固定到纤维保持部件(3)的端部的平坦部分(6a)上,使得平坦部分(4a) )与光纤(2)的端部相对。 在透镜(4)的平坦部分(4a)和光纤(2)的端部(2a)之间设置间隙。
    • 7. 发明授权
    • Optical collimator-use lens component, optical collimator, and method of assembling these
    • 光学准直透镜组件,光学准直仪及其组装方法
    • US07231115B2
    • 2007-06-12
    • US10503739
    • 2003-02-21
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • Tadashi SetoMasaaki KadomiHirokazu TanakaHirokazu TakeuchiShintaro Ito
    • G02B6/32
    • G02B6/32G02B6/264G02B6/327
    • Disclosed is an optical collimator-use lens component including: a thin tube; a partially spherical lens that has been fixed in an inner hole of the thin tube so that an insertion portion having a predetermined length is left, is made of glass whose refractive index is approximately uniform, and has translucent spherical surfaces, whose centers of curvature are approximately the same, at both ends of a cylindrical portion of the partially spherical lens; and an adhesive that bonds the partially spherical lens to the thin tube. An axial deviation amount between a center axis of the thin tube and an optical axis of the partially spherical lens is 5 μm or less. When a capillary tube, in whose inner hole an optical fiber has been fixed and whose axial deviation amount between an outer peripheral surface of the capillary tube and a core center of an end surface of the optical fiber is 1.5 μm or less, is inserted into the insertion portion of the thin tube and the end surface of the optical fiber is fixed at a position at which a distance of the end surface to a focal point position of the partially spherical lens becomes ±40 μm or less, emission light has an emission light bend of 0.2° or less with respect to the center axis of the thin tube.
    • 公开了一种光学准直透镜用透镜部件,包括:细管; 已经固定在细管的内孔中以使得具有预定长度的插入部分留下的部分球面透镜由折射率近似均匀的玻璃制成,并且具有半透明的球面,其曲率中心为 大致相同,在部分球面透镜的圆柱形部分的两端; 以及将部分球形的透镜粘合到细管的粘合剂。 细管的中心轴与部分球面透镜的光轴之间的轴向偏移量为5μm以下。 当其内孔中已固定有光纤的毛细管,其毛细管的外周面与光纤的端面的核心中心之间的轴向偏移量为1.5μm以下时,插入 细管的插入部和光纤的端面固定在部分球面透镜的端面与焦点位置的距离为±40μm以下的位置,发光具有发光 相对于细管的中心轴为0.2°以下的光弯曲。
    • 8. 发明申请
    • Optical collimator
    • 光学准直仪
    • US20060239611A1
    • 2006-10-26
    • US10550276
    • 2004-03-22
    • Hirokazu TanakaMasaaki Kadomi
    • Hirokazu TanakaMasaaki Kadomi
    • G02B6/32
    • G02B6/327
    • An optical collimator comprises a sleeve, a partially spherical lens and a capillary tube holding an optical fiber. The sleeve has an inner hole aligned concentrically with an outer surface of the sleeve. The partially spherical lens has a columnar portion fixed into the inner hole of the sleeve and translucent spherical surfaces at both ends of the columnar portion. An optical axis of the translucent spherical surfaces is positioned eccentrically with respect to a center axis of the outer surface of the sleeve. The capillary tube is fixed into the inner hole of the sleeve, holding an optical fiber at a position decentered with respect to the center axis of the outer surface of the sleeve, in a state of an angled end face of the optical fiber facing to the partially spherical lens.
    • 光学准直器包括套筒,部分球形透镜和保持光纤的毛细管。 套筒具有与套筒的外表面同心对准的内孔。 部分球面透镜具有固定到套筒的内孔中的柱状部分和柱状部分两端的半透明球形表面。 半透明球面的光轴相对于套筒的外表面的中心轴偏心地定位。 毛细管被固定到套筒的内孔中,将光纤保持在相对于套筒的外表面的中心轴线偏心的位置处,在光纤的成角度的端面朝向 部分球面透镜。