... Photodiode applys for channel power monitoring in DWDM system, OLP, ODAM, EDFA, etc. Bi-directional Integrated Tap Photodiode (PM tap ... detection. It applys for channel power monitoring in DWDM system, in-line optical network switching protection monitoring (OLP), ... Quality: superior performance, excellent reliability Service: fast response, short leadtime Bi-directional Integrated Tap Photodiode