It provides a toolbox of general strategies and specific techniques that the reader can apply when optimizing fusion splices between novel fibers. The foa reference for fiber optics outside plant fiber. It provides a toolbox of general strategies and specific techniques that the reader can apply when optimizing fusion splices. Apr, 2015 fusion splicing method 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. Use a fiber optic power meter to make certain the fiber is dark.
Basics of fiber optics mark curranbrian shirk fiber optics, which is the science of light transmission through very fine glass or plastic fibers, continues to be used in more and more applications due to its inherent advantages over copper conductors. Fiber optic cable splicing, testing and acceptance criteria for contractors version 1. All dielectric self supporting adss fiber optic cable. Obtaining a good fusion splice is much easier today due to continued improvements to fusion splice equipment, procedures, and practices, in addition to the evolutionary improvements in controlling optical fiber geometries. Optical fiber splices mechanical splice and fusion splice. Defects can be attributed to the cable manufacturing process, shipping, the cable. Workmanship standard for fiber optic terminations, cable. In premises applications, fiber optic cables can be used as the backbone cabling in a standard structured cabling network, connecting network hardware in the computer roommain cross connect.
It is a preferred solution when an available fiber cable is not sufficiently long for the required run. Two optical fiber splicing methods are available for permanent joining of two optical fibers. This document provides instructions for the fiber cable technician to properly pe rform fiber cable preparations, routings, splicing, terminations and connections within the charles industries fiber distribution point cfdp2 els and eps pedlock pedestals with a 10 dome. Fiber optic cable fusion splicing insertion loss fiber mechanical splicing insertion loss fiber optic cable fusion splicing. Test location should be a location code such as asp array splice panel, dw7 manhole at dw7, etc. This document provides instructions for the fiber cable technician to properly pe rform fiber cable preparations, routings, splicing, terminations and connections within the. In every phase bl increased initially but began to saturate as the technology matured. A typical pointtopoint fiber optic communication network consists of a transmitter laser, a transport medium optical fiber and a receiver photodiode as in figure 1. Fusion splicing systems fusion splicing afl fiber optic. The other, more common, method of joining fibers is called termination or. Splicing optical fiber cable free download as powerpoint presentation. Arc power calibration for fusion splicing optical fibers. Deploying a fiber optic physical infrastructure within a.
This manual will guide instructors and students through the three separate. Lanscape solutions recommended fiber optic test guidelines. Fiber mechanical splicing insertion loss fiber optics management, security or fire alarm systems, or any other communications link. How to splice fiber optic cable manually without using. This trainee manual is based on optical fibre splicer qualification pack. Optical fiber arc fusion splicer america ilsintech. Doing so can result in bending losses andor fiber breaks in the cable. A ferrule may be part of a connector or mechanical splice.
The 90s can be utilized in any field splicing application seen today. Message input laser detector message output electrical input electrical. Orientek fusion splicer machine,pon otdr,fiber optic cleaver. Also refers to the loss of a cable or cable plant when tested with. The amount of additional optical fiber cable needed for splicing depends on site conditions, splicing method used, and longrange plans for cable usage. This way optical power is distributed symmetrically and with perfect uniformity to the defined processing area. Two basic model configurations allow the user to choose between a set up for standard linear proof testing and with optional mandrels for breaking strength testing. Generally the minimum bending radius of a fiber cable under load is 20. Prooftester 2 proof tester for production and laboratory environments. Arc power calibration for fusion splicing optical fibers with variety diameters wenxin zheng and bryan malinsky abstract a novel arc calibration method has been developed for fusion splicing optical fibers with a large variety of glass diameters. Method statement for optical fiber cable installation. Crucial aspect of fiber joints concerning optical losses associated with the connection 1.
This fiber type uses a laser to transmit the signals. In order to specify the characteristics of optical fibres and systems operating with optical amplifiers and the wdm technique, many new recommendations were developed in itut. What is fiber optic splicing knowledge of fiber optic splicing methods is vital to any company or fiber optic technician involved in telecommunications or lan and networking projects. In very simple terms, an otdr consists of a laser light source and optical detector to capture and record backscattered light as a means of assessing the optical characteristics of a fiber link. Optical fiber fusion splicer fsm50s new standard specifications applicable fibers sm itut g. For termination length, figure on about 2 to 3 meters of additional cable beyond where the terminal will be mounted. Compare the results of the splices for each fiber in the ribbon.
Deploying a fiber optic physical infrastructure within a converged plantwide ethernet architecture fiber optic cabling systems overview figure 3 permanent link diagram the typical channel is composed of multiple assemblies connected by a combination of the optical fiber connectors on the cable assemblies ma ting into adapters. Set the splicing program to match the fiber in use. So the splicing trailer is temperaturecontrolled and kept spotlessly clean to ensure good splicing. Installing and testing fiber optics the fiber optic association. Understanding how the appearance of optical fiber splices. A method of illuminating the fiber endface by launching incoherent light into the. Fibre communication basics optical fibre connectors splicing optical transmitter optical receiver rather than using optical fibre connectors, it is possible to splice two optical fibres together. This book is an uptodate treatment of optical fiber fusion splicing incorporating all the recent innovations in the field. The purpose of this article is to provide the nontechnical reader with an overview of.
If no problems are found, it is ready to actually perform the fusion splice by creating an arc between two electrodes. Fiber optical fusion splicing tutorial fusion splicing is to use hightemperature heat generated by electric arc and fuse two glass fibers together end to end with fiber core aligned precisely. Fiber splicing is a complex operation and requires the careful control of a number of variables in order to arrive at a satisfactory result. Magnification 295x for single x or y view, or 147x for x and y view. Fiber splicing is frequently used to establish longhaul optical.
The cable shall be riser rated cmr for use as an internal cable in a nonplenum plenum environment. Fiber optic cable splicing, testing and acceptance criteria for contractors this document details mfxs requirements for spiictng and tesnng for acceptance. An optical fiber is a long thin strand of impurityfree glass used as a transport medium for data. Smoking should not be allowed around fiber optic work. Main parameters are fiber type, fiber count in ribbon 46812, and. Precision beam shaping optics based on patented axicon splicing technology converts the laser beam into an annular shape that spans the geometry of the fiber or optical component under processing. Consider the following step for manually splicing the patch cord. Provide internal use riser rated optical fiber cable with 144 strands of single mode optical fiber cable and 72 strands of multimode optical fiber cable. As a result, fiber counts being utilized in enterprise data centers, campus, and metro networks have grown enough to make single fiber splicing too costly and. Thin strands of highly transparent glass or sometimes plastic that guide light. Fiber optic connectors l and splices in splice tray r fiber optic joints or terminations are made two ways. The cables are brought up to the surface into a splicing trailer where all fiber work is done. Pdf on oct 16, 2017, norazlina ahmad and others published the analysis of fusion splice technique on single mode fiber optic find. Standard for installing and testing fiber optics published by.
Splice mode select by fiber count analysis heater lid. Four basic steps to completing a proper fusion splice. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber optic communications, where they permit transmission over longer distances and at higher bandwidths data rates than electrical. Underground installation of optical fiber cable by pulling. The optical properties of the fiber material which is usually fused silica, including its attenuation and the effects of material, modal, and waveguide dispersion on the transmission of light pulses, are discussed in sec. Carefully lift it out of the veegrooves and slide the splice protector along the fiber until it is centered over the splice. Pdf the analysis of fusion splice technique on single mode. All files and folders should be backed up onto cd daily, and should be kept and maintained in the fiber optic field lab at the vla. This product is compatible with all versions of the fiber. The aim of this experiment is giving the skills for splice the glass optical fibers.
An fibre optic splice is defined by the fact that it gives a permanent or relatively permanent connection between two fibre optic cables. Aug 26, 2017 how to terminate optic fibre the easy way including my 3 tips. Simply put, fiber optic splicing involves joining two fiber optic cables together. A polymeric compound, usually an epoxy, used to secure the optical fiber in a splice assembly or connector. Information from its description page there is shown below. Fiber cable preparation, splicing, and termination. Fiber ribbon preparation for use in the 70r fusion splicer duration. The fiber length given by the trace corresponds to the estimated span. An optical fiber is a flexible, transparent fiber made by drawing glass or plastic to a diameter slightly thicker than that of a human hair. The program will run through its positioning and splicing procedure, and then stop. Storage of splice result the last 2000 results to be stored in the internal memory. Here is the access download page of optical fiber fusion splicing 1st edition pdf, click this link to download or read online. Fresnel reflection optical loss encountered at the interfaces even when two fiber ends are smooth, perpendicular to fiber axes and perfectly aligned a small proportion of light may be reflected back into transmitting fiber causing attenuation at the joint.
Besides, fiber optic splicing is designed to restore fiber optic cables. Pdf the analysis of fusion splice technique on single. Necafoa301 standard for installing and testing fiber optic cables. This term is commonly used in the fiber optics industry to express wavelength or frequency of transmitted light. The fiber optic connector and splicing module was designed to be used as a supplement for the industrial fiber optics fiber optic demonstration system, although it can be used separately.
If you have access to a ribbon splicer and ribbons of fiber, splice those fibers. The splices offer sophisticated, computercontrolled alignment of fiber optic cables to achieve losses as low as 0. Optical fiber cables are designed with a minimum bending radius. It provides a toolbox of general strategies and specific techniques that the reader can. Two optical fiber splicing methods are available for permanent joining of two optical. The fiber is designed as a step index, meaning that the core has only one refractive index to carry the light signal. Fusion splice is a junction of two or more optical fibers that have been melted. The axial movement of an optical fiber within a connector or connector ferrule. Fiber cable preparation, splicing, and termination instructions.
The tips of two fibers are butted together and heated so they melt together. Fiber cables optical fibers singlemode fiber cables the singlemode core is 10th the size of a human hair. Guidance for otdr assessment of fusion spliced single. The fujikura 90r is the mass fusion splicer workhorse of the splicing world. This problem came from not only an unstable heating source and poor cleave surface of fiber ends, but also large core offset from the fiber center. Fiber optical fusion splicing tutorial fs community. The center of the fiber where the light is transmitted. Both methods provide much lower insertion loss compared to fiber connectors. The cable should never be bent below its minimum bending radius. Baldwin summary optical cable must be tested throughout the procurement and installation process to ensure that nrao receives a fiber transmission system without defects or added cost. If you have an otdr and enough fiber to use it, check your splices with the otdr. When using an optical tracer or continuity checker, look at the fiber from an angle at least 6 inches away from your eye to determine if the visible light is present 5. However, splicing loss of single mode optical fiber was more than 0. You can manually splice the fiber patch cord with the help of the procedure shown in the video.
This central section, made of silica or doped silica, is the light transmitting region of the fiber. We solved various technical issues and proceeded to release a multimode optical fiber fusion splicer in. The small size of the fusion splice and the development of automated fusion splicing machines have made electric arc fusion one of the most popular splicing techniques in commercial applications. As data demand continues to rise, the solution to handle the increased traffic is to increase fiber counts. Fibre optic splicing fiber splicing electronics notes. Mass fusion splicing of optical fiber ribbon cables sterlite. Splicing optical fiber cable optical fiber equipment. Pdf cabling is the process of packaging optical fibers in a cable structure for handling and protection. Cfo 301 standard for installing and testing fiber optics management, security or fire alarm systems, or any other communications link. Single fiber fusion splicing is the most widely used permanent method of joining optical fibers.
Splicing should never be done in places manholes where gases can accumulate. Attenuation splice function intentional high splice loss of 0. Fibre splicing a permanent joint formed between two individual optical. Preparing the fiber remove the protective film, jackets, tubes, strength member, and so. S7 2723tc optical fiber splicing and terminations5 last updated. Ogg multiplexed audiovideo file, theoravorbis, length 1 min 29 s, 320. In this paper, we present the analysis of the parameters that related to fusion splicing loss of smf28 and mp980 optical fiber such as axial misalignment d and angular misalignment. This method heats the fiber with multiple short arcs and measures the amount of meltback at the. Setting splice specifications for singlemode fiber cables. May 18, 2016 fiber optic splicing is an important method of joining two fiber optic cables together.
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