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    • 9. 发明专利
    • Low loss optical branching body
    • 低损失光学分支机构
    • JPS59208521A
    • 1984-11-26
    • JP8248583
    • 1983-05-13
    • Yazaki Corp
    • YAMAGUCHI AKIOKIMURA KIKUO
    • G02B6/28
    • G02B6/2848
    • PURPOSE:To make a light branch without limiting a site of optical coupling by setting a length between an abutted surface and an intersection point of an edge line to a prescribed value. CONSTITUTION:Thin diameter parts of the tip of three photoconductive parts 3 of a conical trapezoid whose rear end is a hit surface of a size (d) of the same diameter as an optical fiber 6 are coupled in a three-forked shape so that photoconductive main axes 4 make 120 deg. to each other. Subsequently, an angle made by an edge line of the photoconductive part 3 and the photoconductive main axis 4 is set to 1/2 of an angle theta determined by an opening angle of the optical fiber 6, and also a length l between a hit surface 2 and an intersection point of an edge line is set as shown by an expression.
    • 目的:通过将边缘线的邻接表面和交点之间的长度设置为规定值,来制造光分支而不限制光耦合部位。 构成:其后端是与光纤6相同直径的大小(d)的撞击表面的锥形梯形的三个光电导体部分3的尖端的薄直径部分以三叉形的形状耦合,使得光电导 主轴4使120度 对彼此。 随后,由光电导部分3和光电导体主轴4的边缘线制成的角度被设置为由光纤6的开启角度确定的角度θ的1/2,并且还有一个击打表面 2,如表达式所示,设定边线的交点。