Physics of Fiber Optics :: physics light fiber optic wire

HistoryOf every in all the pioneers of this industry, none stand out as the primary leader of find or development. This competitive environment was an integral commence of this fields progress. Not all discoveries were harbored as proprietary. There was a great deal of information that flowed amongst the track scientists developing this technology. Here are some of the key players and some of their contributionsClaude Chappe, french Engineer invented the Optical Telegraph, which used a series of semaphores mounted on towers to relay messages between towersAlexander Graham Bell,patented an oculusal telephone establishment in 1880. Not a very practical invention that was superseded by wired communications, which were more effective at the time.Daniel Collodon and Jacques Babinet were able to show that commence could be guided along jets of water.John Logie Baird (ENG.) and Clarence W. Hansell (U.S.) patented the idea of apply arrays of hollow pipes or transparent rods to tran smit images for television or fascimile systems.Heinrich Lamm was the commencement ceremony person to demonstrate image transmission through a mountain of optical fibers.Holger Moeller applied for a Danish patent on fibreoptic imaging, but was denied based on other researchAbraham new wave weenie and Harold H. Hopkins presented imaging bundles in the British Journal Nature at start times.Van Heel later produced a cladded fiber system that greatly trim signal interference and crosstalk between fibersBrian OBrien American physicist who inspired and collaborated with Van Heel on the cladding concept.C.Wilbur Peters, physician Basil Hirschowitz and Lawrence Curtiss developed tripe clad fibers while pursuing the development of the endoscope for inspecting the stomach.Alec Reeves invented digital pulse-code modulation, which was an integral part of optical communications. He further theorized that higher frequencies were possible for fiber optic communications.Stewart Millers grou p at Bell Labs worked to develop gas lenses to focus laser beams along hollow waveguides for long distance communicationsCharles K. Kao focused his oeuvre on fiber fading and the ability to reduce the signal losses. He theorized that the eventual loss of signal could be reduced to less than 20 db per kilometer. At that time, the average loss was about 1000 db per kilometer. With this published position the industry embraced this challenge and were able achieve this attenuation threshhold within four years or so.Physics Of OpticsWhile analyze the use of fiber optic technology, it is important to understand the fundamental rules of optics. any(prenominal) of the leading scientists of their time viewed light from two main perspectives.