FREE SPACE OPTICS NEXT GENERATION COMMUNICATION PRESENTED BY V.LAXMANA VENKATA KUMAR 09PA1A04B6 ABSTRACT: FSO may sound new and experimental but in fact it predates optical fiber and has its roots in wartime efforts to develop secure communication systems that did not require
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Snapdragon S4 processor with 2GB RAM‚ 32GB internal memory offers you a 4.5-inch PureMotion HD+ Amoled display like HTC One and Galaxy S4 sporting a PureView 41 MP sensor with Optical Image Stabilization (OIS)‚ Backside-illuminated image sensor‚ 6 lens optics‚ High resolution zoom 3x‚ Autofocus‚ Xenon Flash and HD 1.2 Megapixel wide angle camera weighting 158 grams and 2000 mAh battery with Wireless Charging.(press.nokia.com) COLORS:- 1. Yellow 2. Black 3. White KEY FEATURES:- • Main camera sensor:
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Objective The objective of this experiment was to find the focal length of two converging lenses separately and also to find the focal length of combination of two converging lenses. Another objective was to study the image formed by a converging lens plus diverging lens. Background This experiment focused on a simple lens system. A simple lens is a piece of glassware that is spherical on one side and flat on another side‚ or spherical on both sides. There are two different types of lenses
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10/6/2012 Optical Refractor/Phoropter Introduction An optical refractor or a phoropter is an optical instrument with many adjustable lenses and settings that quickly determine the patient’s exact refractive error and prescribe the exact vision correction needed when people have trouble seeing (blurred vision). Eye doctors or optometrists rely on some questions and a phoropter to determine the condition their patient has. Firstly the optometrist asks the patient what objects
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to keep out stray light. The light is then reflected off a concave mirror composed of “ultra-low expansion glass” that is constantly kept at room temperature. The mirror was ground to have reflecting surfaces of the precise shape (“Hubble’s Amazing Optics”). The Hubble Space Telescope has a focal length of 189 feet (Elert). In 1993 the Hubble Telescope was surpassed by the Keck Observatory Telescopes located in Mauna Kea‚ Hawaii (Moseman). The twin telescopes both hold a 33-foot in diameter mirror
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Experiment 112-5 Thin Film Interference Introduction When two waves of equal intensity combine‚ the intensity of the resulting wave can be anywhere between zero and four times the intensity of the individual waves‚ depending upon the phase difference between them. When they are in phase (the maxima coincide with maxima and the minima coincide with minima)‚ maximum intensity results. When they are exactly out of phase (the maxima of one wave coincide with the minima of the other wave)‚ the
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Chapter 14 Outline I. Refraction of Light A. Refraction is the bending of light at the boundary of two media. 1. It is caused by differences in the way light travels in the two media a) Light changes speed unequally. (1) One side of the light becomes slower/faster 2. If light is perpendicular to the new medium‚ light will not refract a) If the media have the same index of refraction‚ light will not refract B. Index of Refraction 1. How well light travels through a medium is measured by
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optical polymers at AlliedSignal in Morristown‚ NJ. His work involves the design‚ fabrication‚ and characterization of high-performance optical interconnect devices and circuits in polymeric materials Dr Eldada is a member of the Lasers and Electro-Optics Society and the Optical Society of America. Robert Scarmozzino was born in
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The main factor that leads to the damage of optic nerve is elevated pressure in the eye. The optic nerve is the main visual nerve of the eye. It transmits the images we see back to the brain for interpretation. The shape and tone of the eye is maintained by a pressure within the eye‚ which ranges between 8 mm and 22 mm of mercury. When this pressure is too low‚ the eye becomes softer‚ while an elevated pressure causes the eye to become harder. The optic nerve is the most susceptible part of the eye
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FREE OPTICS. Free space optics or FSO –Although it only recently and rather suddenly sprang in to public awareness‚ free space optics is not a new idea. It has roots that 90 back over 30 years-to the era before fiber optic cable became the preferred transport medium for high speed communication. FSO technology has been revived to offer high band width last mile connectivity for today’s converged network requirements. 101seminartopics.com FSO ! FREE SPACE OPTICS Free space optics or FSO
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