But when you add in the cost of the setup time for one splice, it more than negates the cost savings of the splice by adding the labor time. Fiber optical splicing is the act to joint two fibers together by using heat. How Does Fusion Splicing Work? Always keep a Sumitomo Electric's cleaver ready for quality work. Notes: Dirt in the V-grooves or clamp of a fusion splicer can cause an unusual light loss due to poor concentricity. So cost is an advantage and a disadvantage. Fusion Splicer must keep good condition as master's tools to maintain good quality. Fusion splicing cannot be completed without a piece of equipment called fusion splicer. At $60-120/hr, a fusion splice in a drop location will cost $30-$60 labor plus the splicing cost. Fusion splicing provides the most reliable joint between two fibers. 4 Splices or Less per Point + Mobilization • Engineering Services – Prep. Four basic steps to completing a proper fusion splice: There are various types of fibre fusion splicer available, with advanced models such as the Fujikura 70S+ offering core-to-core alignment. The basic fusion splicing apparatus consists of two fixtures on which the fibers are mounted and two electrodes. Fusion splicing is the process of fusing or welding two fibers together usually by an electric arc. Fusion splicing also causes the small size of the splice. If your fusion splice is poor quality, you should perform splicing again. Dec 1st, 2011. On the surface of it, fusion splicing is less expensive. Fusion Splicing Step 3 - Aligning & Fusing Next, you’ll be going through the aligning and fusing steps which involves positioning each cleaved fiber in place and fused. In this particular technique, an electrical instrument is necessarily used, that acts as an electric arc so as to form a thermal connection between the two. With hundreds of options to choose from, this task can become very difficult in choosing the right splicer for the job. The preparation process involves removing the protective coating from each fiber, precise cleaving, and inspection of the fiber end-faces. Whatever the reason, fusion splicing is a technique that any reputable cabling company will be able to do. Splicing any fiber by making use of the fusion technique provides a permanent (long-lasting) contact between the two fibers. How to Splice Fiber Optic Cable. This method is the most widely used method of splicing the FO cables since it provides for the lowest loss and least reflectance. It is an indispensable tool for fiber OSP and indoor cable network installation. The goal is to fuse the two fibers together in such a way that light passing through the fibers is not scattered or reflected back by the splice, and so that the splice and the region surrounding it are almost as strong as the virgin fiber itself. It is very important to know the lengths of all fibers in the network, so you know where to look for events and won't get confused when unusual events show up (like ghosts, we'll describe below.) Welcome to FOA's "Fiber U Classic Movies." Stripping is the act of removing the protective polymer coating around optical fiber in preparation for fusion splicing. Fusion Splicing – Fusion splicing requires the use of a fibre fusion splicer which welds the two fibres together in a permanent connection. Fusion splicing is the most widely used method of splicing as it provides for the lowest insertion loss and virtually no back reflection. If you don’t get the correct alignment, you’re going to have fiber optic losses which will be an impediment to data transmission at the point of the fusion splice. Disadvantages of Fusion Splicing . Mechanical splicing doesn’t require a large upfront investment in tools, but it has a higher variable cost at $10 to $30 per splice. Fusion splicing is the act of joining two optical fibers end-to-end using heat by fiber fusion splicer. If splicing is seemingly high quality, but the fusion splicer displays expected attenuation that is too high (say, 0.1 dB), it is better to splice again. As mentioned previously, fusion splicing is a junction of two or more optical fibers that have been permanently affixed by welding them together by an electronic arc. A good fusion splicer will provide you with important splicer information such as system status, splice loss values, diagnostics, maintenance information, arc test results, help menus and more. Fusion splicing has four disadvantages, he notes: 1) high cost of the fusion splicer, 2) potential for disruption of the profile of a multimode fiber, 3) no splicing in a manhole environment [safety risk], 4) potential multimode disadvantage. This increases the overall mechanical strength of the fiber, and in fact, reduces the weight which are the desirable characteristics of the splicing. 1.Stripping the fiber. This method is cost-efficient and easy to install. Downloadable one-page analysis available from The Fiber Optic Association also offers cleaving and splicing tips. Fusion Splicers. Other Accessories. The fusion splicer is used to fuse two optical fibers end-to-end by fusion splicing. But Fusion Splicers have different ways of aligning fibers during fusion – a difference that can impact alignment precision and splicing performance. Even if you just have a slight doubt, it is better to redo it instead of relying on a bit of luck. That's good for the system but can be confusing to the operator. Before a fusion splice can take place, the fiber optic cables that are being joined together must be prepared for it. In fusion splicing, splice loss is a direct function of the angles and quality of the two fiber-end faces. A chart developed by Fiber Optic Association master instructor Joe Botha helps technicians calculate the amount of time it will take to conduct a fusion-splcing project. An fiber inspection microscope assists in the placement of the prepared fiber ends into a fusion-splicing apparatus. A single fusion splice may be something like $.50 vs. a mechanical splice of $5-12. The process of fusion splicing. Fusion-splice optical fibers following the operation manual of the fusion splicer. A fusion splicer’s estimated splice loss reading is most often used to determine whether or not to immediately remake a splice. Fusion splicing is done by an automatic machine called fusion splicer (fusion splicing machines). There are many reasons to splice a cable. These classic videotapes were created in the late 1990s for Fiber U training. It is an indispensable tool for optical fiber OSP and indoor cable network installation. The end result is fusing the two fibers together so that light passing through the fibers is not scattered or reflected back by the splice, and so that the splice and the region surrounding it are almost as strong as the virgin fiber itself. leaving only the bare fiber showing. Fusion splicing. Generally, there are two types of optical splicing: mechanical splicing and fusion splicing. Fusion splicing typically costs more upfront due to the investment required to add a fusion splicing machine to your toolkit, but it offers a lower variable cost per fusion splice: $0.50 to $1.50 per splice. Do you know how to maintain […] Chart calculates how long fusion splicing takes. Fusion splicing is a method of joining two or more fiber optic cables on a permanent basis using the fusion splicer. The goal is to fuse the two fibers together in such a way that light passing through the fibers is not scattered or reflected back by the splice, and so that the splice and the region surrounding it are almost as strong as the virgin fiber itself. A fusion splicer is a machine that aligns two fiber optic cable ends and welds or fuses them by means of an electric arc. Step 1: The fiber optic cables are prepared for fusion splicing. Four basic steps to completing a proper fusion splice: Step 1: Preparing the fiber - Strip the protective coatings, jackets, tubes, strength members, etc. There are many models of fusion splicers available, varying in features and capability and cost. Fusion Splicing permanently fuses or welds the fibers together using an electric arc or heat. One biggest drawback of fusion splicing is the heat may make the optical fiber weak. The process of fusion splicing normally involves heat to melt or fuse the ends of two optical fibers together. 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