The topology used in WDM systems plays an important role in the utilization of WDM networks. Topology-related terms are:Network topology structureBy using multi-channel on fiber, WDM products make fiber-optic networks more efficient. The network is invisible but can be identified by fiber routing or

When operating the WDM system, make sure to pay extra attention to the following parameters:1. wavelengthA wavelength is a distance traveled by a wave in a vibration period. The wavelength λm of the monochromatic light propagating in the optical fiber is represented by the following formula:λm = λ /

What is an optical switch?An optical switch is a device for opening or closing an optical circuit in a communication application that selectively switches the signal in an optical fiber or integrated optical circuit (IOC) from one circuit to another. In the network system, the optical switch plays a

1. Cable failureFiber optical cable interruption leads to equipment without light, or cable damage causes excessive light attenuation. This kind of failure has a large impact, which can easily lead to no access to a large number of users.When such a failure occurs, the number and distribution of the