公开(公告)号：US06219480B1

公开(公告)日：2001-04-17

申请号：US09240388

申请日：1999-01-29

申请人： William J. Cassarly ,  John M. Davenport ,  Richard L. Hansler ,  Matthew F. Clapper

发明人： William J. Cassarly ,  John M. Davenport ,  Richard L. Hansler ,  Matthew F. Clapper

IPC分类号： G02B626

CPC分类号： G02B6/2804

摘要： An optical coupler for coupling light along an axis between a light port on one side of the coupler and a plurality of light ports on another side of the coupler. The coupler comprises a one-side stage with a light port and a many-side stage with a plurality of arms situated about the axis, each having a light port. A midput region separates the one-side and many-side stages and is situated along the axis where the plurality of arms at least initially starts to split from each other in a direction towards the many-side light ports along the axis. Cross sections of each of the respective initial portions of the arms along the direction are arranged about the same distance from the axis. The cross sectional areas of the arms along the axis are larger at a break point region at which the arms fully separate from each other along the axis than at the many-side light ports. At least a pair of the arms each start to split along the direction in a substantially symmetrical manner about the axis.

摘要翻译： 一种光耦合器，用于在耦合器的一侧上的光端口与耦合器的另一侧上的多个光端口之间沿轴线耦合光。 耦合器包括具有光端口的单侧级和具有围绕轴线布置的多个臂的多侧级，每个臂具有光端口。 中间输入区域分离单侧和多侧级，并且沿着轴线定位，其中多个臂至少最初开始沿着沿轴线朝向多侧光端口的方向彼此分离。 臂的各个初始部分沿着方向的横截面布置成与轴线大致相同的距离。 沿着轴的臂的横截面面积在沿着轴线彼此完全分离的断点区域处比在多侧光端口处更大。 至少一对臂各自以围绕轴线的大致对称的方式开始沿着该方向分开。