OTDR to Cable Span CalibrationNot sure why your expensive OTDR cannot provide you with accurate cable fault locations? It can be due to incorrect index of refraction (IOR) and Helix Factor values that are entered into the OTDR. Our cable measurements determine proper values for IOR and Helix factor so that your next OTDR fault location measurement is accurate. Best and most accurate measurements of IOR and Helix factors are made during or prior fiber cable deployment construction. Post construction measurements are also possible but with less accuracy.
OTDR MeasurementsThe Optical Time Domain Reflectometer (OTDR) is used to obtain a visual representation of an optical fiber's attenuation characteristics along its length. OTDR trace results include fiber attenuation, fiber loss, splice loss, splice location, connector loss, connector location, fiber length, bad fiber bend locations, other fiber anomaly locations and optical return loss (event reflections) which are graphically represented and charted in our report. Measurements are available at 1310nm, 1550nm and 1625nm. Bi-directional fiber measurements can also be provide for best event loss accuracy. This report is useful for identifying poorly installed fiber cable and/or damaged cables.
Chromatic DispersionChromatic dispersion (CD) limits the maximum transmission rate and distance capability of the fiber. If you are planning to increase your transmission rate to 1 Gbps or higher over long distances this report is suggested. Measurements are conduct across C-Band and L-band.
Polarization Mode DispersionPolarization Mode Dispersion (PMD) can affect transmission at rates of 10 Gbps and higher. There is no easy way to compensate for high PMD so knowing fiber PMD is important for 10G and higher systems. PMD measurements are conducted in C-Band
Optical Return Loss (ORL)Optical Return Loss (ORL) measures the optical back reflection of a fiber caused by connectors, splices, other fiber anomalies and the fiber itself. Low ORL can affect laser stability and increase transmission bit errors.
Optical Power Meter and Attenuation Profile (Spectral Attenuation)
Fiber loss measurements are performed at 1310 and 1550nm using are variable laser source and power meter. Full fiber attenuation profile (AP) can be provided from 1270nm to 1620 nm.