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Free research papers and essays on topics related to: fiber optics
- Fiber Optics - 1,648 words
Fiber Optics Thesis: Some of the important features of the fiber optics that we are interested are discussed below. Now a days we are using copper wires as they are the most cost effective and reliable interconnect in parallel machines. However as machines grow more powerful, wire density becomes critical making fiber possible alternatives because of their small wire size. Fiber optics are used mainly to use effectively its high bandwidth. On a single fiber lots of information/data can be transmitted concurrently and in parallel. Over 1000 high bandwidth (100-200 Mb/s) independant channels or busses can be supported on a single optical fiber. Furthermore multiple buses can co-exist on a sing ...
Related: fiber, fiber optics, optics, computer networks, magnetic field - Fiber Optics - 1,561 words
... on requires great deal of changes in current networks and systems. This requires a lot of time and effort which the management is not willing to sacrifice. People are comfortable with what they have and don't want to change. Although most problems regarding program changing can be solved, the solutions to it will take much longer than expected. Thus, any new program has to be a big improvement over the old one to justify a significant change (although the great improvement usually means that the old program does not work). Another fundamental problem in fiber optic LANs is the change in technology. The hardware and software to make LAN run efficiently add up to an expensive package. If m ...
Related: fiber, fiber optics, optics, quality control, data security - Fiber Optics - 1,280 words
Fiber Optics Table of Contents 1.0 Intro to Fiber Optics 2.0 Fiber Constuction 1.0 Introduction to Fiber Optics Today many communications companies are replacing their copper carrier wires with fiber optic cables. A fiber optic cable is capable of transmitting laser light across thousands of miles and can carry many more messages at the same time than the copper wire of equivalent diameter. With the relentless pursuit of bandwidth, fiber optic cabling is being deployed at an ever increasing rate. This cable, which uses glass to carry light pulses, poses both advantages and challenges. The intent of this paper is to explain the how's and why's of fiber optic cabling and to provide a set of so ...
Related: fiber, fiber optics, optics, different ways, high cost - Fiber Optics - 1,252 words
... olor. The 1300nm and 1550nm transmitters emit light only in the infrared spectrum. The difference in performance of the various wavelengths is beyond the scope of this paper. What is important is an awareness of the wavelengths and that the equipment on both ends of the fiber needs to be matched. The final characteristic of transmitters is the output power. This is a measure of the optical energy (intensity) launched into the fiber. It is measured in dBm. A typical value for multi mode transmitters used in Ethernet is -15dBm. Single mode transmitters have a wide range in power depending on the application. Receiver Specifications With a knowledge of transmitters, what happens at the othe ...
Related: fiber, fiber optics, optics, network design, potential risk - Fiber Optics - 2,211 words
Fiber Optics Fiber optics produced by special methods from silica glass and quartz which replaced copper wire is very useful in telecommunications, long distance telephone lines and in examining internal parts of the body (endoscopy). Equipment for photography is available with all current fiber-optic endoscopes. Through a process known as total internal reflection, light rays beamed into the fiber can propagate within the core for great distances with remarkably little attenuation or reduction in intensity. In general, the methods of fiber production fall into three categories; (a) the extrusion method for synthetic fibers; (b) hot drawing of fibers from molten bulk material through an orif ...
Related: fiber, fiber optics, optics, sedimentary rocks, different kinds - Fiber Optics - 2,292 words
... ight- or left-handed symmetry group. At the transition temperature the tetrahedral framework of beta-quartz twists, resulting in the symmetry of alpha-quartz; atoms move from special space group positions to more general positions. At temperatures above 867 C (1,593 F), beta-quartz changes into tridymite, but the transformation is very slow because bond breaking takes place to form a more open structure. At very high pressures alpha-quartz transforms into coesite and at still higher pressures, stishovite. Such phases have been observed in impact craters. Quartz is piezoelectric: a crystal develops positive and negative charges on alternate prism edges when it is subjected to pressure or ...
Related: fiber, fiber optics, optics, control system, best method - Fiber Optics - 585 words
Fiber Optics Fiber optics is a branch of optics concerning the transmission of light by means of optical fibers, which are thin strands of glass or other optically transparent materials. Optical fibers can be used to guide light--which is electromagnetic radiation in a certain frequency range--in much the same way that metal wave guides or coaxial cables can be used to guide lower-frequency electromagnetic radiation. Optical Fiber An optical fiber is usually circular in cross section and consists of a core and cladding. An optical fiber for communication applications is typically between about 0.1 and 0.2mm (0.004 and 0.008 in) in diameter. In order that the light waves be guided by the fibe ...
Related: fiber, fiber optics, optics, communication channels, electric power - A Look Into Music Technologies: - 1,585 words
A Look Into Music Technologies: A LOOK INTO MUSIC TECHNOLOGIES: HOW HAS THE INFORMATIONAL AGE INFLUENCE MUSIC? INTRODUCTION As we enter a new millennia, so will our music. The entire field of music has experienced dramatic changes due to the post- industrial/ informational age. This paper will focus primarily on the expansion of musical research and the development of new tools to aid in learning. The overall reaction details innovations that enhance and expand the depths of music. RESEARCH In the 1970's, the US government underwent a secret project making an underground port of communication. This project created what we now know as the Internet. The term Internet is often used to describe ...
Related: music, world wide, global communication, internet service provider, station - Adsl Modems - 659 words
Adsl Modems Does the humble telephone lines play a major role in shaping the third millennium? Can a mere pair of thin copper wires twisted around each other transmit Internet data reliably and securely at blazing fast speed, making it possible to view high-quality moving images, sound and vast amounts of data on your personal computer screen or television? The answer is yes, as the growing success of DSL (digital subscriber line) technology abundantly demonstrates. The capacity of a communications channel depends on its bandwidth and its signal-to-noise ratio. A voice connection through a conventional phone network uses a bandwidth of about 3,000 hertz (Hz): from about 300 Hz to 3,300 Hz. A ...
Related: adsl, cable modems, alexander graham bell, personal computer, application - Building Bridges - 467 words
Building Bridges Building Bridges: a summation Globalization can be defined as an opportunity to generate more wealth and promote harmony between the peoples of the world. In the mid-1800s to the late 1900s the world experienced a similar era of globalization. If you compared the volumes of trade and capital flows across borders (relative to gross national product), and the flow of labour across borders (relative to populations) the period of globalization preceding World War I was quite similar to the one we are living through today. In those days countries did not require passports for travel, and with the inventions of the steamship, telegraph, railroad and eventually telephone, it is saf ...
Related: bridges, world war ii, fall of the berlin wall, national product, computers - Computers Have Changed The World Along With The Internet, Advanced Telecommunications Easier Travel A Global Community Has Be - 1,222 words
Computers have changed the world. Along with the Internet, advanced telecommunications easier travel. A global community has been created in the past 50 years. Using satellite technology and fiber-optics it is possible to communicate instantaneously anywhere in the world, using the Internet it is possible to use visual-telephones with almost no lag and this technology is available to almost everyone. If there is one field of social change that is on the fast track, then it is the field of technology, specifically computers, telecommunications and the Internet. Computers There are five recognized generations of the modern computer. The first is from 1945-1956, World War II lead governments to ...
Related: computer program, computers, global community, telecommunications, travel, world war ii - Human Disease Research - 2,361 words
... ical retardation. Abnormal development of any body part in a fetus may produce a congenital defect; for example, if walls that separate the chambers of the heart fail to form completely, the baby is born with congenital heart disease. BImmunological Diseases Immunological diseases occur when the immune system, which normally protects against infections, malfunctions. The most common types of immunological diseases are allergies, autoimmune diseases, and immune deficiencies. An allergy is an abnormal reaction of the immune system to foreign substances, such as plant pollen, fungal spores, animal danders, medications, and foods. Rhus dermatitis is an allergy caused by contact with urushiol ...
Related: cardiovascular disease, disease research, heart disease, human body, human disease, human history, human population - It Industry - 1,116 words
IT Industry There are many changes that occurred in the industrial organization of interexchange telecommunication services in the United States during the 1985-1995 period. Lets look at the general idea of Telecommunications. It is the two-way exchange of info in the form of voice or data messages between tow users at distinct geographic locations" (5, 7). The two-way exchange is now a numerous way exchange through the use of computers and the Internet. There are four important areas of the telecommunication industry in the United States. Technology plays a major role in telecommunications. Before technology, there was no such thing as telecommunications. During the ten year period there ar ...
Related: communications technology, digital technology, network architecture, proceedings, transmission - Light: A Fundamental Force - 902 words
Light: A Fundamental Force Light: A Fundamental Force In Our World If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90% of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is transferred to us. The sun's energy supports the food chain; plants use it to turn water and CO2 into energy usable by other organisms. Solar energy was also used, indirectly, to produce all of the fossil fuels that we consume daily. Since light is such a basic part of our existence, ...
Related: fundamental, food chain, solar energy, fiber optics, crystal - Light: A Fundamental Force In Our World - 893 words
Light: A Fundamental Force In Our World If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90% of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is transferred to us. The sun's energy supports the food chain; plants use it to turn water and CO2 into energy usable by other organisms. Solar energy was also used, indirectly, to produce all of the fossil fuels that we consume daily. Since light is such a basic part of our existence, we should have a basic und ...
Related: fundamental, nuclear fusion, fiber optics, food chain, fossil - Sony By Honorary Chairman - 498 words
Sony By Honorary Chairman Sony has four products categories as gateways to the networked world: digital TV's and set-top boxes, VAIO home-use PCs, mobile devices and the best selling of them all is the Playstation 2 (PS2). With all of the new products like the PS2 and Sony.com, released their sale were still low. Sony consolidated net sales decreased 1.7% and operating income fell 30.9%. However, on a local currency basic, it as a year in which Sony's businesses performed well. The PS2 went on sale in 2000 and shipped over two million units in less than three months. The biggest reason for me choosing this company was because of the great products they produce. From Vega's TV's to blockbuste ...
Related: chairman, sony, sony corporation, internet service, internet service provider - Stock Picks - 980 words
Stock Picks Term Paper Before I recommend a security, it is necessary for me to establish a few assumptions about the nature of my investment perspective. I am 22 years of age and therefore am less averse to risk. Therefore, my investment time horizon is very long due to my age. My first stock pick is based upon the previous assumptions and also the following one; Economic activity proceeds at a brisk rate as in 1999. Since this would indicate a bull market, I would choose a stock in the technology sector. I choose Gateway, ticker symbol (GTW). In the months to come, this company will start flooding the market with what is known as Internet Appliances, or IA's. These are inexpensive network ...
Related: stock, economic activity, fiber optics, sun microsystems, otis - Technology - 483 words
Technology Technology Recently while having a get together with some friends we were relating some experiences that seem quite pertinent to the subject of how communication is or will change. David the son of my friend Jackie was at a loss when told to call home. It seems our young guest had never had to use a rotary telephone. Confronted with this icon of past technology, David went away with a new experience to tell his friend about. Another guest, upon hearing of David's story told of a similar experience she'd had. It seems that Loretta had given her son a watch for Christmas. This wristwatch, complete with hands and a face was foreign to her son Tommy who has had the time electronically ...
Related: technology, printing press, technological advances, twentieth century, tommy - The Internet - 576 words
The Internet Science:Computers(:Internet) The Internet - By: Matt Garner The Internet, or net, is a vast network of computers that connects many of the world's businesses, institutions, and individuals. The Internet is composed of many parts, including the World Wide Web, FTP, IRC, Newsgroups, Gopher, WAIS, Archie, and of course Electronic Mail (Email). The Internet is mainly used for communication. Email is the most heavily used resource of the Internet- over 40 million email messages are sent through the Internet a day. The second most used resource, called the World Wide Web, or WWW, consists of pages of words, images, sounds, and video. The Internet is continuing to grow at 40% a year, w ...
Related: states department, virtual reality, electronic mail, magellan, virtual - The Laser - 827 words
The Laser The laser is one of the most advanced tools we have in our civilization. Lasers are powerful enough to cut through a thick piece of steel, yet can be used in medical surgery. Lasers are used in the army, not for guns, for range finding and a whole lot more. Most people don't know where the idea of the laser came from. The idea for the laser came from a machine called a maser. The maser was a tool that was able to strengthen, or amplify radio and light waves. The first laser was made in California in 1960. It was built by Theodore Maiman and a group of American scientists. The material they used for a concentrator was a man- made ruby. It was done by coiling a simple flash tube arou ...
Related: laser, laser technology, science fiction, fiction movies, eliminate
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