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1550nm SC APC FBG Fiber Optical Reflector
Item Description
1550nm SC APC FBG Fiber Optical Reflector

The FBG reflector is a standard SC/LC type connector structure, which package a special FBG in the ceramic ferrule.The fiber bragg grating reflector is a low-cost specific band reflector mounted on the optical network unit (ONU) side. It can reflect light pulses (1650+/- 5nm) from the OTDR on the fiber line terminal (OLT) side nearly 100%, while the working bands of the passive optical network (PON) are transmitted normally. The OTDR can determine whether the fiber line is normal by detecting the signal reflected by the fiber grating reflector. When the reflected signal is lower than the normal value, the line loss is too large; when the reflection value is 0, the optical fiber line is broken. Therefore, we can maintain the fiber line in time by the real-time monitoring of the fiber line.

Features and Applications
Characteristics

(1) High stability and reliability.
(2) Remote real-time detection.
(3) Low insertion loss.
(4) Easy connection for adapter structure.
(5) Compliant with Telcordia GR-326-CORE, Telcordia GR-1221-CORE.
(6) Compliant with RoHS.

Application

Detection and maintenance of Passive Optical Network lines (applied to FTTx).
Technical Parameter
Connector Type SC/APC
Pass band wavelength range 1260-1560nm
Reflect band wavelength range 1545-1555nm
IL (1260nm-1360nm) 1.4dB
IL (1460nm-1505nm) 1.4dB
IL (1505nm-1525nm) 3.4dB
Reflectivity (1545nm-1555nm) 21dB
RL (1260nm-1360nm) 35dB

RL(1460nm-1505nm)

35dB

RL (1505nm-1525nm)

25dB

RL (1545nm-1555nm)

1.0dB