To familiarize the student with the experimental pro. Fiberoptic lines are strands of optically pure glass as thin as a human hair that carry digital. We have arranged them in order but feel free to navigate around as you like. Buy fiber optics through experiments 3rd ed by pdf online. Jun 06, 2017 this brilliant experiment shows how fiber optic cables bend light. Today, gastroscopes as these things are called are just as important as ever, but fiber optics continues to spawn important new forms of medical scanning and diagnosis. Mount laser source, objective and screen on the respective holders as shown in fig. Basic optics experiments 1 introduction this chapter describes 6 experiments in basic optics that can be carried out using the cornelsen student optics kit, shown above, and a hene laser. Instructors will find this kit useful as a selfcontained handson fiber optics course. Arrange the fiber optic system to transmit a high frequency modulated light beam along the cable which should be about 5 m or so in length. Fiber optics, the science of transmitting data, voice, and images by the passage of light through thin, transparent fibers. We hear about fiber optics all the time its in the news whenever we hear articles about high tech, the internet and communications, and many communities are getting fiber to.
Consider an optical fibre having a core of refractive index n 1 and cladding of refractive index n 2. Fiber geometry an optical fiber is illustrated in fig. Mitra university of rhode island kingston, rhode island wholesale book dealers quality service supplied by international service company 333 fourth avenue indialantic, florida 32903, u. Fiber optics is a method of delivering light through clear, glass wires, or fibers.
Undergraduate experiments in optics employing a fiber optic version of the machzehnder interferometer adorns flores, mario fiores, kees karremans and ben zuidberg optoelectronics laboratory, department of physics, university of san carlos, cebu city 6000, philippines abstract. Aug 20, 2012 theory, experiment, and application of optical fiber etching article pdf available in applied optics 5124. No previous experience in fiber optics is required. Pdf theory, experiment, and application of optical fiber etching. Instead of using electricity through wires, fiber optic cables use light traveling through a clear fiber to carry phone signals, etc.
One of the latest developments is called a lab on a fiber, and involves inserting hairthin fiberoptic cables, with builtin sensors, into a patients body. The aim of this experiment is giving the skills for splice the glass optical fibers. I got the idea for this weeks experiment while reading about fiber optics. It follows a helical trajectory confined within a cylindrical shell of radii r and a. Microwave optics system equipment the complete microwave optics system consists of the microwave optics system wa9314c and the microwave accessory package wa9315. This brilliant experiment shows how fiber optic cables. Giving it a name the luminiferous aether didnt help. Students may use the kit for a science project, while hobbyists can use. Optical communication systems and testing and analysis. The apparatus includes one experiment, along with descriptions of components, a glossary of terms commonly encountered in fiber optics, and a list of. The fiber can carry light through twists and turns just like copper wire carries electricity. The wave model of light has one serious drawback, though. Complete steps 1 through 3 below for both ends of a 30cm fiber. Download free sample and get upto 79% off on mrprental.
To measure the numerical aperture na of an optical fiber with the help of fiber optic apparatus and hence to deduce vnumber for the optical fiber. Sep 26, 2018 today, gastroscopes as these things are called are just as important as ever, but fiber optics continues to spawn important new forms of medical scanning and diagnosis. Therefore, special attention is paid to cutting and polishing the ends of a fiber cable. 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 communications, which operate in the.
Fiber optics lab experiments edwdm kit,edcom kit, edlase kit. In reallife practice, the components may change, but the principles remain the same. Oct 15, 2015 we hear about fiber optics all the time its in the news whenever we hear articles about high tech, the internet and communications, and many communities are getting fiber to the home. A typical glass fiber consists of a central core material. One of the latest developments is called a lab on a fiber, and involves inserting hairthin fiber optic cables, with builtin sensors, into a patients body. A ray which enters the fiber with an angle greater than the acceptance angle will be lost in the cladding.
Fiber optics for teachers an introduction and classroom demos duration. A cylinder or rod of transparent material forming a core surrounded by an external cladding with a slightly different material. Fiberoptic lines have revolutionized longdistance phone calls, cable tv and the internet. Pdf based on fiber bragg grating fbg, an online monitoring system for the etching process of optical fiber in a hydrofluoric hf acid solution has.
Mar 12, 2014 fiber optics lab experiments edwdm kit,edcom kit, edlase kit, edamp kit, light runner attenuation measurement 1. Fiber optics is also the basis of the fiberscopes used. To study the 1 laser characterization as power versus wavelength. Align the coupler and the hene laser so that the laser beam shines along the axis of the f9l6 fiber coupler mount a 20x microscope objective in the f9l6. Fiber optics lab manual preface this series of fiber optics laboratory experiments was developed by professor elias awad for the foa under a nsf grant. If this requirement is not fulfilled due to the lack of.
The results show that the etching process of optical fiber in hf acid solution can. You hear about fiberoptic cables whenever people talk about the telephone system, the cable tv system or the internet. Numerical aperture of plastic fiber experimental setup procedure. Monitor the transmitted pulse at channel a on the pico adc and the received pulse at channel b. Theory, experiment, and application of optical fiber etching article pdf available in applied optics 5124.
Find at least two common diameters of core and cladding used in communicationgrade optical fibers. Development and experiment of a novel optical fiber pressure. The purpose of this article is to provide the nontechnical reader with an overview of. Put the universal mirror on the table, at side toward the light. It is a micron 1mm pof available from several suppliers. This brilliant experiment shows how fiber optic cables bend. Fiber optic ad kit is an ideal vehicle for instructors, students or hobbyists to explore the fascinating world of fiber optic communications. Oct 26, 2016 another way that fiber optics have impacted our world and the computer science world is communication between two computers.
Pdf measurement of the attenuation of the optical fiber. Fiber optics lab experiments edwdm kit,edcom kit, edlase kit, edamp kit, light runner attenuation measurement 1. Physics of fiber optics edited by bernard bendow rome air development center hansom afb, massachusetts shashanka s. Pdf theory, experiment, and application of optical fiber. Optical fibers 3 lab periods objective stripping and cleaving of optical fibers for integration into optical devices. Fibre optics rely on the process of total internal reflection to transmit data encoded as pulses of light at high speed. Thin strands of highly transparent glass or sometimes plastic that guide light. This ocw supplemental resource provides material from outside the official mit curriculum. The optical fiber mainly consists the following six parts as shown in figure core. The first transatlantic telephone cable with optical fibre in 1988. Study and measure characteristics of fiber optic leds and photo. Light can travel through these fibers over long distances.
Undergraduate experiments in optics employing a fiber optic. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. The fiber optic data link consists of a transmitter which converts an electrical signal to a light signal, an optical fiber. An american national standard necafoa 3012009 standard for installing and testing fiber optics published by national electrical contractors association. The use of the f916 fiber coupler to couple light from a hene laser into a fiber is illustrated in fig 2.
This all seems to be a funny introduction to a fiber optics lab, but fiber optics can be viewed as a form of am communication. Fiber optics can also use light to carry information, much like copper wires carry. Fiber optics is also the basis of the fiberscopes used in examining internal parts of the body. Measuring speed of light science experiment pcbased oscilloscope. Fiber optics for teachers an introduction and classroom demos.
Even though the fiber is clear, the light stays inside until it reaches the end. These physical variations cause changes in the amount of coupled light which travels down the optical fiber and is absorbed by the phototransistor. Fiber optics lab experiments edwdm kit,edcom kit, edlase. Optical fibers operate at 1014 hz to 1015hz frequency range.
Availability of plastic optical fiber pof the plastic optical fiber used in some of these experiments is available for science distributors. This term is commonly used in the fiber optics industry to express wavelength or frequency of transmitted light. Based on fiber bragg grating fbg, an online monitoring system for the etching process of optical fiber in a hydrofluoric hf acid solution has been designed. Download fiber optics through experiments 3rd ed by pdf online. It is intended to introduce students in technical high schools and colleges to the technology of fiber optics. Fee free to copy the experiment writeups for use in your lab. Another way that fiber optics have impacted our world and the computer science world is communication between two computers. Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Several laboratory writeups suggested that the students do the experiment with more than one type of fiber. The core medium refractive is always greater than the cladding refractive index. Cut 1 to 2 mm off the end of the fiber with the blade, using the alignment kit.
Lu, development and experiment of a novel optical fiber pressure sensor, in advanced photonics 2015, osa technical digest online optical society of. Fiber optics lab manual instructors manual the fiber optic. Mount both the ends of the optical fiber on the fiber holders. Theory, experiment, and application of optical fiber etching. Adjust the condenser to obtain a straight beam of light. Fiber optic to pc interface db 25 serial ports from your study of the r s232 standard, you know that pin 2 of the pc serial port is the transmit data pin, and when idle this pin will be marking. Diode laser source, photodetector, multimeter, microscope objective, fiber holders 2 nos. The theory of optical fibres these few pages will explain the concepts behind optical fibres and how they work. Align the coupler and the hene laser so that the laser beam shines along the axis of the f9l6.
The variation curves of the wavelength shifts of fbgs with etching time at three different temperatures have been obtained and analyzed theoretically. Theory fusion splicing is the most permanent and lowest loss method of connecting optic fibers. To acquaint the student with loss in optical fibers, particularly, spectral loss. Unlike other wave phenomena such as sound, or surface waves, it wasnt clear what the medium was that supported light waves.181 745 754 512 297 493 646 889 271 163 581 799 1191 1167 1240 315 1489 1511 732 378 1260 598 164 108 114 490 1198 673 164 1408 15 82 878 1138 1459 1010 1145 730 226 1253 1277 419 639 267 43 363 1031 843 283