Dispersion-Compensating PM Patch Cable
Fibermart polarization-maintaining (PM) fiber patch cables incorporate dispersion-compensating fiber (DCF) for applications which require precise control over the dispersion in a system. As we know, each end of the DCF is spliced onto a short length of PM1550-PANDA fiber to minimize loss when connecting to other PM patch cables. Both ends are teminated with narrow key, ceramic-ferrule FC/APC connectors. These cables feature a high-quality polish, which leads to a typical return loss of 60 dB. Assembled in our facility, each cable is individually tested at 1550 nm to ensure its extinction ratio and insertion loss fall within specifications. Each patch cable is shipped with a data sheet that summarizes the results of this testing.