光纤互连器件和无源器件.纤维光学环形器.总规范

[中文适用范围]： 本国际标准适用于光纤领域中使用的具有以下所有特性的循环器： ?它们是不可逆光学器件@，其中每个端口要么是光纤，要么是光纤连接器； ?C 根据 IEC 62538 中提供的分类和定义，它们是无源器件； ?C 它们具有三个或更多用于定向传输光功率的端口。 [外文原描述]： IEC 62077:2010 applies to circulators used in the field of fibre optics bearing all of the following features: - they are non-reciprocal optical devices, in which each port is either an optical fibre or fibre optic connector; - they are passive devices in accordance with the categorization and definition provided in IEC 62538; and - they have three or more ports for directionally transmitting optical power. The changes with respect to the previous edition are: - having substantially increased the number of terms; - having added an informative annex for example of filtering technologies; - having deleted quality assessment procedures.