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广义的光耦合器是包括一切与光耦合问题相关的器件。从器件功能上看一般可分为两大类:一类是纵向耦合器,其关心的问题是器件与光纤或光纤与光纤之间的耦合效率;另一类是横向耦合器,它注重的是各种信号传输方式的实现。目前,前一类耦合器已趋于成熟,只是随着光纤技术日新月异的发展,如配合光源或接收器件的更新,以及
Broadly defined optocouplers include everything related to optical coupling problems. From the device point of view can generally be divided into two categories: one is the longitudinal coupler, its concern is the device and optical fiber or optical fiber and optical fiber coupling efficiency; the other is the horizontal coupler, which is focused on Implementation of various signal transmission methods. At present, the former type of coupler has become mature, but with the rapid development of fiber technology, such as with the light source or receiving device updates, and