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Free research papers and essays on topics related to: fiber

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  • 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
  • A Separate Peace: Chapter 1 - 5,644 words
    ^^^^^^^^^^A SEPARATE PEACE: CHAPTER 1 Have you ever in your life gone through an experience so intense, so joyful, so painful, or just so important at the time, that you could only understand much later what truly happened? Isn't it a fact that when we're in the middle of an experience, we are often unable to think clearly about it because we're too busy feeling the moment's thrill or sadness to stop and come to sensible conclusions? Our high school years are just such a time: of quick growth and self-discovery, of forging as well as breaking friendships, of proving ourselves to others, in the classroom and on the sports field, and a time when we want very much to be individuals and to stick ...
    Related: separate peace, competitive edge, power over, john knowles, legs
  • A Weeping Mother, A Sickly Child And A Husband Neardeath Are The Images Evoked In Jonathan Harrs A Civil Action Two Huge Mult - 1,712 words
    A weeping mother, a sickly child and a husband near-death are the images evoked in Jonathan Harr's A Civil Action. Two huge multinational corporations, represented by a corps of well learned and well supplied lawyers are put to bear against the pitiful victims of the companies' supposed negligence and these victim's lawyer, an energetic, if untested, attorney. Every fiber of my being was rooting for the plaintiffs to win the case and walk away with just recompense; to see the corporations clean up their act and become less behemoth than they are would have been suitable punishment. However, the judicial system let me down. Did all the actors fulfill their obligations? Did the case go by the ...
    Related: civil action, jonathan, weeping, american legal, legal system
  • Abortion And Society - 1,071 words
    ... would be favored by male society. Other criticism claims that women who are opposed to abortion do so because they value human well being and those politicians who seek to outlaw abortion come in the name of "family values" (Saarni, 115). Thus pro-choice isnt seen as a stance, which is concerned, about the well being of people. In a quest to establish a womans choice the government is viewed as a powerful entity. Perhaps the issue of choice should be left to the individual instead of the state (Wennberg, 82). In my opinion the right to bear children or not shouldnt be just a womans decision. Why must womens liberation be related to her independent choice and not with a socially intellect ...
    Related: abortion, abortion controversy, personal opinion, most dangerous, burden
  • Adc Telecommunications Financial Ratio Analasis - 1,403 words
    Adc Telecommunications Financial Ratio Analasis Accounting 6000 Financial Statement Analysis ADC Telecommunications October 29, 2000 Corporate Background ADC Telecommunications (ADCT) is a communication equipment manufacturer located in Minneapolis, Minnesota, USA. Since 1952, the company has successfully weathered the tumultuous transformation process of technology. Today, ADC Telecommunications exclusively focuses on manufacturing computer-networking equipment. Increasing demand for fiber optic transmission systems like asynchronous transfer mode (ATM), synchronous optical networks (SONET) and most wireless communications systems, provide significant opportunities for ADCT. The company cur ...
    Related: current ratio, financial ratios, financial statement, quick ratio, ratio, telecommunications, turnover ratio
  • 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
  • Adventures Of Huck Finn By Twain And Cruelness - 1,183 words
    Adventures Of Huck Finn By Twain And Cruelness Throughout the tale of Huckleberry Finn as told by Mark Twain (Samuel Clemens), almost every character for his or her own reasons lies. This can be considered a commentary on the morality and ethics of man kind by Mr. Clemens. Almost no person exists that has never uttered at lease one untruth. That is one of the wonderful things about this novel. It closely mimics real life. There are characters that lie for personal gain. There are also those that lie only in hopes of helping others. Though both are lies, one can be considered courteous or even heroic at times, where the other can only appear greedy and wrong no matter what light it is viewed ...
    Related: finn, huck, huck finn, huckleberry finn, mark twain, twain
  • African Americans In The South - 1,211 words
    African Americans In The South As a social and economic institution, slavery originated in the times when humans began farming instead of hunting and gathering. Slave labor became commonplace in ancient Greece and Rome. Slaves were created through the capture of enemies, the birth of children to slave parents, and means of punishment. Enslaved Africans represented many different peoples, each with distinct cultures, religions, and languages. Most originated from the coast or the interior of West Africa, between present-day Senegal and Angola. Other enslaved peoples originally came from Madagascar and Tanzania in East Africa. Slavery became of major economic importance after the sixteenth cen ...
    Related: african, african american, american civil, american civil war, american independence, american population, south carolina
  • Alopecia Areata - 1,679 words
    Alopecia Areata Alopecia Areata Alopecia areata is a non-life threatening hair loss disease. It may not literally kill you, but in other ways deep down it could. I know this from my personal life. I have been an individual that has been suffering from alopecia for the past six years. It's not easy living in this world with it. I feel at times that it's a pain just to go to school and be in public with my disease. It does not matter where you go but people are always starring at you and whispering about you, because you have no hair or bald spots throughout your scalp. I know that my disease has changed me and made me be the person that I am. Due to always looking different to others, I've gr ...
    Related: different kinds, nervous system, immune system, refer, runs
  • Alternative Approaches To The Treatment Of Diabetes - 1,617 words
    Alternative Approaches To The Treatment Of Diabetes Alternative Approaches to the Treatment of Diabetes Diabetes is a general term for a disease caused by defective carbohydrate metabolism and characterized by abnormally large amounts of sugar in the blood and urine. Diabetes is usually classified into two types. Type I or insulin-dependent diabetes, formerly called juvenile-onset, usually occurs in children and young adults; and, Type II, or non-insulin dependent diabetes (formerly called adult-onset diabetes) is found in persons over 40 years old and progresses slowly (Funk and Wagnalls 183). Diabetes is considered a group of disorders with multiple causes, rather than a single disorder. T ...
    Related: alternative approaches, approaches, dependent diabetes, diabetes, type 1 diabetes, type 2 diabetes
  • Anatomy Of A Muscle Cell - 1,017 words
    Anatomy Of A Muscle Cell John Centore1 Anatomy and Physiology Dr. Jain Anatomy of Muscle Cells There are three types of muscle tissue in the human body. These muscle tissues are skeletal muscles, smooth muscles and cardiac muscles. Each of these muscle tissues has it very own anatomical makeup, which vary from muscle to muscle. The muscle cells in a muscle are referred to as muscle fibers, these fibers are skeletal muscle fibers, smooth muscle fibers and cardiac muscle fibers. The anatomy of a skeletal muscle fiber is formed during embryonic development. Skeletal muscle fibers arise from a hundred or more small mesodermal cells called myoblasts. The mature skeletal muscle fiber has a hundred ...
    Related: anatomy, anatomy physiology, cell, cell division, muscle, muscle growth
  • Animal Behavior - 2,294 words
    ... cle. Although, there were no consistent intervals between breaks, they did range between five and l0 minutes apart. Furthermore, every time the trout moved, it always returned to the same position it left from. Conveniently, the trout may have used the three stones at the base of it's schooling position as a marker Also, the school showed something that resembled a hierarchy of order. It appeared that the larger fished floated toward the bottom, while the smaller fished floated at the top. During the observation period, the fish dispersed in a rapid manner on three occasions. On the first random dispersement, no significant signal was apparent. However during the second rapid dispersion! ...
    Related: animal behavior, social animal, food chain, more important, component
  • Anne Rice: A Fascinating Story - 1,576 words
    Anne Rice: A Fascinating Story Because of her fascination with the supernatural, her life in New Orleans, and her daughters death, Anne Rice exhibits powerful and dark emotions in her writings. Anne Rices family life was not always a happy one. Her family was one of the lower middle class, struggling to make it. Katherine, her mother, became stressed over keeping a household and took to drinking. (Ramsland, 41) Annes mom continued this habit throughout her life. I feel that this drinking had a major effect on Annes writing style. Annes books are full of vivid detail. They are written as if they were seen through the eyes of a drunk. Lamz 2 Annes mother continued drinking until the day of her ...
    Related: anne, fascinating, boarding school, young girl, diagnosed
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