The FBG fiber grating reflector is a wavelength selective reflector, usually installed at the front end of the optical network ONU, to achieve accurate and fast detection of the end-to-end attenuation of the optical link. Compared with dielectric film reflectors, fiber grating reflectors have the following characteristics:

The PON side creates high reflectivity without affecting communication

The fiber grating reflector uses the fiber grating to reflect nearly 100% of the test light pulse sent by the OTDR on the OLT side of the optical link terminal, and the wavelength that does not meet the conditions passes through the reflector normally with a small attenuation. When the OTDR detects the presence of the reflected detection signal, the optical fiber connection of the user end is normal. If the reverse value is very low or there is no reflection, it indicates that the optical fiber of the user end is damaged or broken. Realize online fast detection of optical fiber lines without affecting the normal communication of other communication signals.

High stability and reliability

The fiber grating reflector uses the light sensitivity of the fiber material to write the fiber grating on the fiber core, the fiber passes through the ceramic ferrule, and the grating area is completely encapsulated inside the ceramic ferrule. It will affect the fiber grating and is not affected by dirt, so it has high reliability.

Adapter structure, easy to connect

SURFIBER's fiber optic reflectors are available in SC and LC types, which are very convenient to interact with conventional adapters.

With the widespread implementation of fiber-to-the-home FTTH projects, the number of users involved in optical networks is increasing. How to detect optical network faults quickly and accurately is particularly important for the maintenance of optical networks. By installing a fiber reflector at the fiber connection end, the maintenance efficiency of the FTTH network is improved and the cost is lower. FBG fiber optic reflector is an ideal choice for fiber line monitoring. It can be widely used in FTTX network, PON network, central computer room reflectivity test, communication system link detection, etc.