Our FiberExpress Fusion Splice-On Connectors exceed standards when it comes to insertion loss.įiber Express Fusion Splice-On Connectors: Insertion Loss Fiber Typeįiber Express Brilliance Universal Connectors Fiber Type In fact, insertion loss on Belden’s FiberExpress connectors is the same for UPC and ACP singlemode connectors. Achieving low insertion loss is typically easier with UPC connectors due to less air gaps than APC connectors however, manufacturing techniques have improved significantly to create more precise angles on APC connectors and bring insertion loss closer to that of UPC connectors. Insertion loss is what we use to determine loss budgets. Remember, return loss is different than insertion loss, which refers to the amount of optical power lost through a connector or cable length. Industry standards recommend that UPC connector return loss should be -50 dB or greater, while APC connector return loss should be -60 dB or greater. This causes some differences in return loss, which is a measurement of reflected light that is expressed as a negative dB value (the higher the value, the better). The angled endface of the APC connector causes reflected light to reflect at an angle into the cladding vs. What does this difference mean in terms of performance? With UPC connectors, any reflected light is reflected straight back toward the light source. UPC connectors are blue while APC connectors are green. Another more obvious difference is color. UPC connectors are not exactly flat, however they have a slight curvature for better core alignment. APC connectors feature a fiber endface that is polished at an eight-degree angle UPC connectors are polished with no angle. The main difference between APC and UPC connectors is the fiber endface. For a perfect crimping process, crimps with exactly the right dimensions for the fiber used and the respective connector type must be used.Īlternative Terms: Fibre Connector Part Crimp Sleeve Strain Relief Boot Fiber Plug Part Fibre Plug PartEver wonder what the difference is between ultra physical contact (UPC) and angled physical contact (APC) singlemode fiber connectors and which one to use? As usual, the answer is, “It depends.” to enable a definite assignment of different optical fibers or fiber cables.Ĭrimps are sleeves (usually made of soft metal) that firmly grip the optical fiber during the crimping process and thus ensure a defined mechanical connection between the fiber and the fiber connector housing.
Boots for fiber connectors are available in different colours, e.g. Boots also prevent contamination from entering the interior of the connector.
Fiber connector manual#
In our broad portfolio you can find tools for stripping and cleaving your fibers, the fiber into the connector, polishing, and finally testing your connector with microscopes, interferometers as well as handheld and automated test equipment measuring return loss.Ĭhoose from our assembly and test equipment portfolio that ranges from manual tools for small batches to fully automated systems for high-volume manufacturing environments.īoots for fiber optical connectors are used to reduce the mechanical strain and tension of the optical fiber at the connector's fiber entrance and to provide reliable kink protection. Our portfolio of fiber connector kits is completed with a range of corresponding female mating sleeves and adapters as well as a large array of cleaning tools.ĪMS Technologies can also offer an end-to-end solution for the assembly and test of optical connectors that is exactly tailored to your requirements. If you should not identify the fiber connector parts available from stock that meet your requirements, please contact AMS Technologies. Crimps are available with Ø 2.0 mm for different connector types. For the fiber connector boots you can use the filters below to first select the connector type and cable size and then choose between up to six possible colours. Parts are available for many popular optical connector types like FC, SMA, LC, SC, or ST. While these optical connector kits contain a standard crimp and boot set for Ø 3.0 mm tubing, the fiber connector parts available here include strain relief boots as well as crimps suitable for Ø 2.0 mm or Ø 0.9 mm cable size. Fiber Connector Parts Available From StockĪMS Technologies carries various fiber connector parts from stock, compatible with our optical connector kits that allow connecting single mode (SM), multi mode (MM) and polarization maintaining (PM) optical fibers.
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