Pigtailed Reflector
The OTDR fiber Bragg grating reflector is a low-cost wavelength-selective reflector installed on the optical network unit (ONU) side. It uses a fiber Bragg grating to reflect nearly 100% of the test light pulses (1625nm+/-5nm or 1650+/-5nm) sent by the OTDR on the optical line terminal (OLT) side. Normal passive optical network (PON) operating wavelengths do not meet the fiber Bragg condition and pass through the reflector with very little attenuation. Detection of the reflected test signal by the OTDR indicates a normal fiber connection at that user end. Absence of the center wavelength or a reduced reflection value indicates fiber damage or breakage at that user end requiring maintenance. This improves OTDR monitoring sensitivity for end-to-end optical-link performance and enables accurate detection of end-to-end link attenuation.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Passband [Contact us for 1625nm reflector specifications or other custom specifications.] | typical:1260~1625 nm |
| Reflection band (Reflect band) [Contact us for 1625nm reflector specifications or other custom specifications.] | typical:1645~1655 nm |
| Insertion loss IL [1260nm~1360nm; IL(dB)= -10log10(output power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | max:1.5 dB |
| Insertion loss IL [1460nm~1600nm; IL(dB)= -10log10(output power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | max:1.5 dB |
| Insertion loss IL [1600nm~1625nm; IL(dB)= -10log10(output power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | max:3.0 dB |
| Reflection-band insertion loss (IL @ reflect band) [IL(dB)= -10log10(output power/input power); contact us for 1625nm reflector specifications or other custom specifications.; IL @ reflect band; @ reflect band)] | min:21 dB |
| Return loss RL [1260nm~1360nm; RL(dB)= -10log10(reflected power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | min:35 dB |
| Return loss RL [1460nm~1580nm; RL(dB)= -10log10(reflected power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | min:33 dB |
| Return loss RL [1580nm~1620nm; RL(dB)= -10log10(reflected power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | min:25 dB |
| Return loss RL [1620nm~1625nm; RL(dB)= -10log10(reflected power/input power); contact us for 1625nm reflector specifications or other custom specifications.] | min:20 dB |
| Reflection-band return loss RL@ reflect band | max:1.0 dB |
| Maximum optical power (Max Optical Power) [Contact us for 1625nm reflector specifications or other custom specifications.] | min:27 dBm |
| Plugging cycles (Plug Times) [Contact us for 1625nm reflector specifications or other custom specifications.] | 500 |
| Connector (Connector) [Contact us for 1625nm reflector specifications or other custom specifications.] | SC/APC Male & SC/APC Female |
Key Features
Datasheet
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Supplier Information
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