Optical devices

fiber optic communications link for aircraft that utilizes wavelength division multiplexing (WDM) to avionics environment to support multiple analog RF signals transmission simultaneous over single optical fiber. This paper investigates the simultaneous transmission of two RF signals over a single optical fiber. The transmission of FM and AM analog modulated signals, and also FSK digital modulated signals, over a fiber optic link (FOL) employing wavelength division multiplexing is determined. We present

Contents Introduction 5 Literature review 5 History background 5 Application 6 Theory and Issues 7 Design and issues 7 Advantages 8 Disadvantages 8 Conclusion 9 References 9 Introduction Communication has always been one of the essential needs of humanity. In the past 20 years, communication systems have developed drastically in a small amount of time, as a result of the creation of Internet, the use of communication systems has been enhanced, allowing our modern technologies

temperature. In all OFS applications, the optical fiber is a thin glass fiber that is generally secured mechanically with a polymer covering (or even a metal covering in compelling cases) and regularly embedded in a link intended to be suitable for focused applications. Optical Fibers are immune to electromagnetic interference , nontoxic , chemically inert and internally safe . ADVANTAGES: Fiber optics overcome various drawbacks caused by the electrical devices in estimating the physical and the chemical

ASSIGNMENT 1 Student Name: Rohan Jain Student CWID: A20378201 1. US Telecommunication Act of 1996 ● The Telecommunications Act of 1996 represented the beginning of a new era in Internet, cable TV and Telecommunications regulations in the United States. It was sanctioned by the U.S. Congress on February 1, 1996 and signed by President Bill Clinton on February 8, 1996. ● This was the first major change in the telecommunications regulations since the original 1934 Telecommunications Act since it

and applications of fiber-optical probes for. Late advances in fiber

advantages over traditional means of detection and limitations of this new technology. An in-depth study of its history, how the technology works, and comparisons with older methods of bio-sensing will also be made. Introduction: A biosensor is a device or method that allows a certain specific biological material to be detected. Common forms of detection are Fluorescence techniques, Raman Scattering, Plasmon Resonance, Near-infrared Spectroscopy and diffuse reflectance spectroscopy. These detection

power splitter with 60° bend corners is designed and analyzed. The splitting efficiency at its bends has been improved by encapsulating rectangular defect, thereby increasing the power transmission of about 98.1%. A simple antiresonant reflecting optical waveguide (ARROW-B) is a polarization insensitive wave guiding, which utilizes antiresonance reflection and provides better coupling when compared with conventional wave guiding. We performed three-dimensional finite-difference time-domain (3-D FDTD)

Advanced Networking Technologies Technical Report Optical Fiber Networks Abstract: Introduction: http://www.fiber-optics.info/history In 1870, a person called John Tyndall demonstrated and experiment in which the water from one container flows to the another container where the water is on top container flows into the container which is at the bottom, then john projected a light beam on to the top container, he observed that the light followed a “zigzag” path in the curved water flow. Form that

twisted pair or fiber optic cabling, both of which use separate conductors for sending and receiving data. In this type of environment, Ethernet stations can forgo the collision detection process and transmit at will, since they are the only potential devices that can access the medium. This allows end stations to transmit to the switch at the same time that the switch transmits to them, achieving a collision-free environment (Pidgeon, 2011). Therefore, the 24 Port Switch is highly recommended. The solution

Fiber optics is a cable that is quickly replacing out-dated copper wires. Fiber optics is based on a concept known as total internal reflection. It can transmit video, sound, or data in either analog or digital form . Compared to copper wires it can transmit thousands of times more data (slide 2) . Some of its general uses are telecommunications, computing, and medicine. <br> <br>The very first "fiber" was made in 1870 by the British physicist John Tyndal. In this experiment that he showed to the