公开(公告)号：US5029961A

公开(公告)日：1991-07-09

申请号：US431676

申请日：1989-11-02

申请人： Fumio Suzuki ,  Tohru Arikawa ,  Noboru Kawakami ,  Yoshio Kikuchi ,  Kuniharu Himeno ,  Osamu Fukuda

发明人： Fumio Suzuki ,  Tohru Arikawa ,  Noboru Kawakami ,  Yoshio Kikuchi ,  Kuniharu Himeno ,  Osamu Fukuda

IPC分类号： G02B6/28

CPC分类号： G02B6/283 ,  G02B6/2826 ,  G02B6/2843

摘要： An optical fiber coupler is disclosed, which comprises two polished substrates each of which comprises a grooved substrate having a polished surface on the open side end thereof and adapted to hold therein an optical fiber and an optical fiber comprising a core, a cladding and two stress-applying parts arranged in the cladding so as to sandwich the core, a part of the optical fiber being polished off such that the polished surface of the fiber is close to the core so as to allow leakage of light power propagating in the core to the outside, the polished optical fiber being embedded in the grooved substrate and fixed thereto in such a manner that the polished surface of the grooved substrate is in flush with the polished surface of the polished optical fiber, with the two polished substrates being in close contact with each other at the polished surfaces thereof to allow coupling of light power, wherein said polished optical fiber is of a construction such that the polished surface thereof is perpendicular to the polarization principal axis X defined as the direction connecting the centers of said stress-applying parts. Also, a process for manufacturing the optical fiber coupler is disclosed.

摘要翻译： 公开了一种光纤耦合器，其包括两个抛光衬底，每个衬底包括在其开放侧端具有抛光表面的开槽衬底，并且适于保持光纤和包括芯，包层和两个应力的光纤 将布置在包层中的部件布置成夹住芯部，将光纤的一部分抛光，使得光纤的抛光表面靠近芯部，以便允许将在芯部中传播的光功率泄漏到 抛光后的光纤被嵌入到带槽的基板中并以固定的方式固定，使得凹槽基板的抛光表面与抛光光纤的抛光表面齐平，两个抛光的基板与 彼此在其抛光表面处以允许光功率的耦合，其中所述抛光光纤具有这样的结构， eof垂直于被定义为连接所述应力施加部分的中心的方向的偏振主轴线X. 另外，公开了一种光纤耦合器的制造方法。