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FC/PC Fiber Connectors: Single Mode and Polarization-Maintaining![]()
30126C3 FC/PC Connector Assembled Exploded View Boot for Boot for Crimp Connector Dust Caps and Strain Relief Related Items ![]() Please Wait
Features
Threaded FC/PC connectors are designed for high-vibration environments. The "PC" stands for "physical contact" because these connectors allow the surfaces of two connected fibers to be in direct contact with each other. The FC/PC single mode connectors on this page feature a pre-radiused (20 mm) ceramic ferrule that minimizes back reflections. The ceramic ferrule is also spring-loaded to control the force on the fiber as the connector is screwed into its port. For use with Polarization-Maintaining Fiber, we offer the 30125D2 FC/PC style connector. This connector's key is continuously adjustable, allowing precise alignment with the axis of the PM fiber. Once the key is aligned, it can be locked into place by adding a drop of superglue in the slot near the back of the connector. Each 2.0 mm narrow key connector comes complete with a strain relief boot for either Ø3 mm or Ø900 µm tubing (both in the case of 30125D2) and a fiber connector cap. They also feature a hole size tolerance of +1 µm / -0 µm and a maximum concentricity of 1 µm. As an alternative to assembling a patch cable using optical fiber, connector, and furcation tubing components, Thorlabs also offers pre-built patch cables from stock using the connectors sold on this page. See the table to the right and the Patch Cables tab for a listing of patch cables available that incorporate connectors sold on this page.
Stock Patch Cables Available with These ConnectorsAs an alternative to buying and assembling separate optical fiber, connectors, and furcation tubing, Thorlabs offers pre-built patch cables from stock using the connectors sold on this page. Stocked patch cables are available with single mode or polarization-maintaining single mode optical fiber, as indicated by the table to the right. Additionally, Thorlabs offers Custom Patch Cables with same-day shipping, which can be constructed using the connectors sold on this page.
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Thorlabs offers strain relief boots and dust caps that can be purchased separately from our fiber connectors. The black strain relief boots sold here include a crimp sleeve and are compatible with FC/PC and FC/APC connectors and Ø2 mm furcation tubing (our stock connectors do not include a boot compatible with Ø2 mm tubing). The CAPF Clear Plastic Dust Caps are for use with all Ø2.5 mm fiber connector ferrules and FC connectors, and the CAPFM Threaded Nickel-Plated Brass Dust Caps are for use with narrow-key FC connectors. Dirt on the fiber tip can result in permanent damage to the fiber connector, which can increase coupling losses or create undesirable mode structures in the output light. To prevent damaging the connectorized fiber, clean before each use with an appropriate fiber and connector cleaning product and use a fiber connector cap to protect the end face of the connectorized fiber when it is not in use. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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