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    • 1. 发明授权
    • Optical coupler
    • 光耦合器
    • US5694509A
    • 1997-12-02
    • US749276
    • 1996-11-13
    • Yasuo UemuraEtuo UmeharaKazuyuki Fukumura
    • Yasuo UemuraEtuo UmeharaKazuyuki Fukumura
    • G02B6/28H01L31/12H04B10/00H04B10/25G02B6/38
    • G02B6/2835G02B6/2856
    • An optical coupler to be used for optical telecommunications is disclosed, characterized by portions of exposed optical fiber sections located immediately adjacent to and outside the respective clots of the first adhesive agent as viewed from the welded optical fiber section being coated by a third adhesive agent having a Young's modulus smaller than that of the first adhesive agent. It comprises exposed optical fiber sections formed by removing the coating layer of each of a plurality of coated optical fibers for a given length; a welded optical fiber section formed by welding together and stretching portions of said exposed optical fiber sections; an inner reinforcing member accompanying said welded optical fiber section; and an outer reinforcing member housing said exposed optical fiber sections, the welded optical fiber section and the end sections of the coating layers; the inner reinforcing member and said exposed optical fiber sections being held to each other by means of a first adhesive agent; the outer reinforcing member and the exposed optical fiber sections or the coating layers being rigidly held to each other by means of a second adhesive agent.
    • 公开了一种用于光通信的光耦合器,其特征在于,从焊接的光纤部分观察到的位于第一粘合剂的凝块附近和外侧的暴露的光纤部分的部分被第三粘合剂涂覆,所述第三粘合剂具有 杨氏模量小于第一粘合剂的杨氏模量。 它包括暴露的光纤部分,其通过去除给定长度的多个涂覆光纤中的每一个的涂层而形成; 焊接光纤部分,其通过焊接在一起并拉伸所述暴露的光纤部分的部分而形成; 伴随所述焊接光纤部分的内部加强部件; 以及外部加强构件,其容纳所述暴露的光纤部分,所述焊接光纤部分和所述涂层的端部; 所述内部加强构件和所述暴露的光纤段通过第一粘合剂彼此保持; 外部加强构件和暴露的光纤部分或涂层通过第二粘合剂彼此刚性地保持。