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    Adaptive optics

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    taking pictures on Earth, astronomers have to deal with many issues with distortion when it comes to taking images. The solution to this issue is a technology called adaptive optics (often referred to as AO), which was originally used to improve the performance of optical systems on ground based telescopes. [1] Adaptive optics are made up of mirrors, that can be reshaped that are controlled by computers. These mirrors fix the distortion caused by the turbulence of the Earth’s atmosphere. This makes

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    Fiber Optics

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    Fiber Optics Assignment Many modern medical materials and equipment work on a principle which is beyond the capacity of human transducers. Comment and discuss the working principles of an endoscope, uteroscope or a rectoscope showing the illuminating path, the image path, transmission path and the liquid transfer or operating instrument ducts, showing the position of suitable valves. This will therefore explain how light travels through an optical fibre and show how such fibres are used in medicinal

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    Optics

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    Aim: To examine characteristics of a converging lens and the images they create. Also to examine the focal length and how the focus point may be found and developing rules for locating an image via ray drawings and the intersection of rays. Chromatic aberration will also be explored and why it happens. Theory: Both lenses and mirrors have a principle axis, yet a lens has two focal points as opposed to a mirror that has only one. When considering converging lenses, the primary focal point (PF) can

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    Fiber optics

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    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

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    Fiber Optics

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    Fiber Optics What are Fiber Optics? Fiber optics are thin transparent fibers of glass or plastic enclosed by a material of a lower index of refraction and that transmit light throughout their length by internal reflections. Real fiber optic cables are made out of very pure glass, glass so pure that if it were miles thick, light would still be able to pass through. The fiber optic strand, although thin in diameter, is stretched to miles in length. Therefore only the purest of glass would be

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    Atmospheric Optics

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    Atmospheric Optics Light is all around us, from both natural and artificial sources, during the day and the night. We think we understand it, and that what we see by it is an exact representation of what we are looking at. However we can be mistaken; the setting sun seen on the horizon has in fact already dropped below the horizon. Twinkling stars are also an effect of this same process, called refraction. Light passing through a medium such as air or water can be absorbed and scattered by the

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    Fiber Optics Essay

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    Fiber optics is the science of transmitting data, voice and images by the means of light guiding through thin, transparent fibers. The basic medium of fiber optics is a small clear filament coated with plastic or often with glass. It is a very thin A typical optical fiber is made up of two layers i.e. Core and Cladding. Core is the innermost layer and has a diameter of generally 10 micrometers. The outermost layer i.e. Cladding has a diameter of around 125 micrometers. It is also enclosed by a mechanical

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    Fiber Optics

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    Fiber Optics Fiber Optic Cable Facts "A relatively new technology with vast potential importance, fiber optics is the channeled transmission of light through hair-thin glass fibers." [ Less expensive than copper cables [ Raw material is silica sand [ Less expensive to maintain If damaged, restoration time is faster (although more users are affected) [ Backbone to the Information Superhighway Information (data and voice) is transmitted through the fiber digitally by the use of high speed LASERs

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    Physics of Fiber Optics

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    hollow pipes or transparent rods to transmit images for television or fascimile systems. Heinrich Lamm was the first person to demonstrate image transmission through a bundle of optical fibers. Holger Moeller applied for a Danish patent on fiber-optic imaging, but was denied based on other research Abraham Van Heel and Harold H. Hopkins presented imaging bundles in the British Journal Nature at separate times.Van Heel later produced a cladded fiber system that greatly reduced signal interference

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    Fiber Optics

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    Fiber Optics 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. Some of its general uses are telecommunications, computing, and medicine. The very first “fiber” was made in 1870 by the British physicist John Tyndal. In this experiment that he showed to the

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