In telecommunications, fiber optic technology has virtually replaced copper wire in longdistance telephone lines, and it is used to link computers within local area networks. Fiber cutoff wavelength also affects macrobending performance, and the two attributes are commonly taken into account simultaneously using an empirical parameter called the mac number. The field of fibre optics communications has exploded over the past two decades. From the very beginning, locally produced products have been at the heart. Every device connected to the network must have a unique mac address. Schoolphysics is an online resource base for all 11 to 19 year old physics and science students and their teachers.
Ppt fiber optics powerpoint presentation free to download. Lesson powerpoint for fibre optics btec engineering. Digital video is often transported over long distances using fiber optics. Jan 17, 2020 a fiber optic cable is a network cable that contains strands of glass fibers inside an insulated casing. If you have ever wondered how you can download information from the internet so fast or talk to someone anywhere in the world and hear them so clearly, its mainly because the connection is over fiber optics. An overview of macrobending and microbending of optical fibers. In the optical fiber the rays undergo repeated total number of reflections.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Jul 25, 2012 schoolphysics is an online resource base for all 11 to 19 year old physics and science students and their teachers. Most common material used in fibres is fused silica amorphous sio. If audio is embedded in a digital video bit stream, it will be automatically transmitted over a fiber optic link along with the video.
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. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. Qnet will endeavour to install the fibre as quickly as. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiberoptic communications. Introduction to fiber optics what are optical fibers thin strands of pure glass carry data over long distances at very high speeds fiber can be bent or twisted fiber optic technology sources transmission medium detectors sources of light light emitting diodes lasers sources modulate electrical signals into optical signals mostly modulate at. Getting started in fibre optics you need tools, test equipment and most of all training. Cabling, including fiber optics, is covered in the layer 1, the phy or physical layer. The attention we pay to the finest detail make this presentation template truly worldclass. Foss has delivered fiberoptic solutions and built fiberoptic infrastructure since 1984.
An optical fiber is a thin, flexible, transparent fiber that acts as a waveguide, or light pipe, to transmit light between the two ends of the fiber. This guide will help you get started by providing very basic information we will also point you to more advanced studies and demonstrating that you dont need to break the bank to break into the field. An optical fiber is a hair thin cylindrical fiber of glass or any transparent dielectric medium. The role of fiber optic cables in computer networking. Light refers to more than the portion of the electromagnetic spectrum that is near to what is visible to the human eye. Each fiber consists of a thin strand of glass or plastic encased in a plastic cover. Solitons are waves that retain their form through obstacle and distance. Ask students to produce a poster or presentation for homework based on the practical. Optical fiber powerpoint template is a free background for powerpoint presentations with an optical fiber image that you can download to decorate your presentations. This may be done by total internal reflection and continuous refraction. See approximate times for how long it takes to download movies, songs, videos, tv shows and audio books, compared to common broadband speeds. Fiber optics lesson plans for stem teachers introduction stem or steam science. The fiber which are used for optical communication are wave guides made of transparent dielectrics.
Optical fiber and optical fiber cable specifies the attenuation at 1550 nm is not to exceed 0. Find powerpoint presentations and slides using the power of, find free presentations research about fibre optic cables ppt. Optical fiber ppt free download as powerpoint presentation. Metal wires are preferred for transmission in optical fiber communication as signals travel with fewer damages. Optical fibre an optical fiber is essentially a waveguide for light it consists of a core and cladding that surrounds the core the index of refraction of the cladding is less than that of the core, causing rays of light leaving the core to be refracted back into the core a lightemitting diode led or laser diode ld can be used for the source advantages of optical fiber include. Fiber optics optical fibers are long, thin strands of very pure glass about the diameter of a human hair. This fiber optics powerpoint template is compatible on all versions of microsoft office. Powerpoint presentation on fiber optics powerpoint.
Theyre designed for longdistance, highperformance data networking, and telecommunications. The content will help students understand the wider topic of the development of new technologies. A student friendly lesson powerpoint based on fibre optics. Explore optic fibre cable with free download of seminar report and ppt in pdf and doc format. This ocw supplemental resource provides material from outside the official mit curriculum. Light is focused into and guided through a cylindrical glass fiber. We take pride in employing features most companies skip because its too much work. Fiber optics powerpoint template background in technology. Brief introduction and applications of fibreoptics.
View and download powerpoint presentations on fibre optic cables ppt. Optical fiber technology can carry much more data than conventional copper wires and. Installations tended to be complex, particularly when optical fiber was used as the. Optical fiber is the technology associated with data transmission using light pulses traveling along with a long fiber which is usually made of plastic or glass. Download introduction to fiber optics ppt for free.
Apr 16, 2015 this website and its content is subject to our terms and conditions. Also explore the seminar topics paper on optic fibre cable with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Ppt optical fibre communication systems powerpoint. While youre putting content on a slide, designer works in the background to match that content to professionally designed layouts. Fundamentals of fiber optic systems optical fibers guide light waves within the fiber material because light rays bend or change direction when they pass from one medium to another. Fiber optic refers to the technology and medium used in the transmission of data as pulses of light through a strand or fiber medium made of glass or plastic optical fiber, versus being sent as electrical pulses through conductive metal, like copper wires.
Scribd is the worlds largest social reading and publishing site. Intercity connects and city networks providing high speed connections to terminals providing wireless services high speed 100 mbits and above services fttx, where x home etc. Displaying powerpoint presentation on introduction to fiber optics available to view or download. Fiber optics transports light in a very directional way. Fiber optics go back as far as roman times, but the first was an optical telegraph, which allowed operators to relay a message from one tower to the next by a series of lights mounted on the towers. Optical fibers are also unaffected by electromagnetic interference. Fiber optics presentation template includes builtin layouts and stunning backgrounds to make your presentation a winner. A selection of activities starter, main, plenary and leveled learning objectives. Compared to wired cables, fiber optic cables provide higher bandwidth and transmit data over longer distances. 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. Optical fiber optical fiber or fiber optic refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.
Structure of optical fiber working principle of optical fiber optical. In learning about computers, one of the first steps is to understand the major types of software, their uses, and applications. A free powerpoint ppt presentation displayed as a flash slide show on id. Downing chapter 9 fiberoptic communications systems 9. An optical fiber or optical fibre is a flexible, transparent fiber made by drawing glass silica or plastic to a diameter slightly thicker than that of a human hair.
Information for teachers from the fiber optic association. Dispersion in optical fibre i optical communications systems ydispersion limits available bandwidth yas bit rates are increasing, dispersion is becoming a critical aspect of most systems ydispersion can be reduced by fibre design yoptical source selection is important introduction dispersion in optical fibres dispersion in an optical fibre. Propagation of light in an optical fibre requires that the light should be totally confined within the fibre. Digital trends 3434 the most important type of media that uses light is an optical fiber. The electromagnetic spectrum is composed of visible and.
Brief flow of presentation introduction what are optical fibers. This research paper will cover the basis of fiber optics in terms of its transmission, communication, origin, uses and applications. Ph 0101 unit3 lect 6 fiber optics basic principles physical structure of optical fibre propagation characteristics of optical fibre unit iii lecture 6 fiber optics. Fibre is an integral part of modern day communication infrastucture and can be found along roads, in buildings, hospitals and machinary. Fiber optics has come a long way in the nearly three decades ive been watching its development. Ppt optical fibers powerpoint presentation free to.
The measurement procedure and the presentation of the results are. Macrobending of an optical fiber is the attenuation associated with bending or wrapping. They are related to doped fiber amplifiers, which provide light amplification without lasing. Ppt fiberoptic communications powerpoint presentation.
Light losses in fibres fibre is a transparent cylinder made of a dielectric. A fiber optic cable is a network cable that contains strands of glass fibers inside an insulated casing. The purpose of this article is to provide the nontechnical reader with an overview of. Downing chapter 9 fiber optic communications systems 9. Nothing has changed the world of communications as much as the development and implementation of optical fiber. Fiber optics technology is the property of its rightful owner. This was invented in the 1790s by the french chappe brothers. In this site, we have collection of ppt backgrounds and clip art. The above fiber optics powerpoint templates have realistic images with fabulous fiber optics powerpoint background and fiber optics powerpoint themes. Create professional slide layouts with powerpoint designer. The impact of fiber optics on our lives how many ways do you use fiber optics. Introduction to fiber optics powerpoint presentation. Fiber optics this lecture numerical aperture of optical fiber allowed modes in fibers attenuation distortion modal distortion material dispersion waveguide dispersion last lecture fourier analysis temporal coherence and line width partial coherence spatial coherence.
On the job, mike routinely works with fusion splicers, optical power meters, and laser sources and detectors, as well as with optical spectrum. Today, an industry standard exists for measuring optical fiber macrobending, iec 60793147 measurement methods and test procedures macrobending loss. Jan 09, 2020 multiple choice questions and answers on optical fiber communicationpart1. Medicine the properties of the fibre optic have allowed medical personnel to see. The growth sped out of control in the late 1990s as the internet fed a seem. The slide design has a hand over a blue background and the template has a grey background color. The basics of fiber optic fiber optic preterminated. There are three types of fiber optics which are classified on the basis of the mode by which they propagate light. Powerpoint designer improves slides for microsoft 365 subscribers by automatically generating design ideas to choose from. Ppt fiber optics technology powerpoint presentation free. Page 4 transmission of signal in step index fiber the transmitted optical signal will cross the fiber axis during every. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Solitons can be found in hydrodynamics, nonlinear optics, plasma physics. Signal corps federal funding of many research programs on fiber optics continued until 1985, thereby seeding this industry and making todays multibilliondollar industry that eliminates copper wire in communications a reality. Just be a successful presenter by using powerpoint template for your fiber optics ppt. The basics of fiber optics getting started in fiber optics you need tools, test equipment and most of all training. Software is the program that run the computer and allows us to use it. An aircraft, a ship or a tank needs tons of copper wire for wiring of communication equipmen. In figure 6 the relationship between mac number and macrobending. Working principle total internal reflection tir when an ray of light travels from a denser to a rarer medium such that the angle of incidence is greater than the critical angle, the ray reflects back into the same medium this phenomena is called tir. Free ppt backgrounds for powerpoint templates fiber. Objective questions and answers on optical fiber communication. Fiber optic data transmission systems fiber optic data transmission systems send information over fiber by turning electronic signals into light. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic interference.
Fiber laser a fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rareearth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. Fiber optics powerpoint ppt templates fiber optics. There are different types of computer software, all of which serve a specific purpose. Cfo 301 standard for installing and testing fiber optics management, security or fire alarm systems, or any other communications link. Optic fibre cable seminar report, ppt, pdf for ece students. The fiber optics theme contains embedded background photos and images across multiple title and text slide layouts and will make your. Using common file types and sizes from the site, the below table gives an indication on how fast fast fiber optic internet service is. Its function is to guide visible and infrared light over long distance. For many years the field grew steadily, with new technology creating new applications, and new applications, in turn, supplying money to develop more new technology.
Multiple choice questions and answers on optical fiber. Available in 1024x768, this powerpoint template is free to download, and ready to use. Types of computer software system software system software coordinates the activities and functions of. This article provides the basic principles needed to work with this technology. Fiber optic powerpoint templates w fiber opticthemed. The background he received, especially in the area of fiber optic testing and measuring, has proven to be invaluable in his daytoday activities. A useful source of information to anyone who works with fiber optics, this stateoftheart guide covers the newest technological innovations in fibers. By the early 1980s, fiber telecommunications networks. Physics at a glance, animations, exam specifications, data, diagrams, photographic images and more. Optical fibers are widely used in fiber optic communications, which permits transmission over longer distances and at higher bandwidths data rates than other forms of communication. An overview of macrobending and microbending of optical. They should describe what total internal reflection is and an example of.
Introduction to fiber optics what are optical fibers thin strands of pure glass carry data over long distances at very high speeds fiber can be bent or twisted fiber optic technology sources transmission medium detectors sources of light light emitting diodes lasers sources modulate electrical signals into optical signals mostly modulate at 850nm, 0nm and 1550 nm lasers give high intensity. It follows a helical trajectory confined within a cylindrical shell of radii r and a. If so, share your ppt presentation slides online with. They are arranged in bundles called optical cables and used to transmit light signals over long distances if you look closely at a single optical fiber, you. Apr, 2020 we are here to advise you on all things fibre optics which includes network cabling.
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