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Multimode fiber optical power monitoring tap for optical transmission systems
Multimode fiber optical power monitoring tap for optical transmission systems
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机译：用于光传输系统的多模光纤功率监控分接头
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摘要
An optical power monitoring tap for use in an optical transmission system advantageously uses existing reflected signal(s) within the transmission system as the “tap” source for the monitor. In particular, one or more multimode fibers are disposed so as to capture reflected signals and directed the reflections into a optical power monitor, such as a PIN photodiode. One or more interfaces within the transmission system (such as a face of an included GRIN lens) provides the reflected signal. In one embodiment, a set of three multimode fibers may be used to capture reflected signals from both an included GRIN lens and isolator component.
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