Optical Switch (OS) For Fiber Optical Network
An optical switch is an optical device having one or more optional transmission ports for physically switching or logically operating an optical signal in an optical transmission line or an integrated optical path.
An optical switch is an optical path conversion device. In fiber optic transmission systems, optical switches are used for multi-monitor, LAN, multi-source, detector and protection Ethernet conversion. In fiber optic test systems for fiber optic, fiber optic equipment testing and network testing, fiber optic sensing multipoint monitoring systems.
Optical Switch Application Range
An optical switch (OS) is a device that has one or more selectable transmission windows that can convert or logically interoperate optical signals in an optical transmission line or an integrated optical path. The basic form of the optical switch is 2X2, that is, two optical fibers at the input end and the output end, which can complete two connection states, parallel connection and cross connection, as shown in FIG. 2 . The larger air separation optical switching unit can be composed of a basic 2X2 optical switch and a corresponding 1X2 optical switch cascade.
Optical switches play an important role in optical networks. In Wavelength Division Multiplexing (WDM) transmission systems, optical switches can be used for wavelength adaptation, regeneration, and clock extraction in optical time division multiplexing (Optical Time). In the Division Multiplex (OTDM) system, optical switches can be used for demultiplexing; in all-optical switching systems, optical switches are key components of optical cross-connect (OXC) and are important devices for wavelength conversion. According to the number of input and output ports of the optical switch, it can be divided into 1×1, 1×2, 1×N, 2×2, 2×N, M×N, etc., which have different uses in different occasions. Its application scope mainly includes: protection switching system of optical network, light source control in optical fiber test, real-time monitoring system of network performance, testing of optical device, switching core of OXC equipment, optical interpolation/sub-multiplexing, optical testing, light Sensing system, etc.
Application
Fiber loop, automatic measurement, optical network remote monitoring, optical path switching, system monitoring, laboratory development, dynamic configuration add-drop multiplexing, optical path monitoring system, optical loop protection switching test, optical fiber sensing system, optical device testing and research
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