Presented by:M.VARUN
P O N : Passive Optical Network

INTRODUCTION
The PON is an access network based on Optical Fibre. It is designed to provide virtually unlimited bandwidth to the subscriber. A passive Optical network is a single, shared optical fibre that uses a passive optical splitter to divide the signal towards individual subscribers.
A typical Passive Optical Network

PON is called passive because other than at ....etc

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Optical discs are the preferred media for storing and distributing digital information, especially software. The pervasive use of these discs in motivated by their low cost coupled with their versatility and durability. But advances in circuit technology have also boosted software piracy by making it easy to create high-fidelity copies of optical discs. Thor is a security scheme that aims to prevent unauthorized disc duplication and any illegal use of the data. Thor relies on a combination of software and hardware strategies using time-tested c ....etc

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iee paper on 3d optical data storage technology seminar

3D optical data storage is the term given to any form of opticaldata storage in which information can be recorded and/or read with three dimensionalresolution (as opposed to the two dimensional resolution afforded, for example, by CD). This innovation has the potential to provide petabyte-level mass storage on DVD-sized disks. Data recording and readback are achieved by focusing lasers within the medium. However, because of the volumetric nature of the data structure, the laser light must ....etc

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to get information about the topic optical disc data security using thor related topic refer the page link bellow

http://seminarsprojects.net/Thread-optical-disc-data-security ....etc

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Optical data storage is an alternative to magnetic disk data storage. Currently data access times are extremely slow for magnetic disks when compared to the speed of execution of CPUs so that any improvement in data access speeds will greatly increase the capabilities of computers, especially with large data and multimedia files. Optical memory is a technology that uses a three dimensional medium to store data and it can access such data a page at a time instead of sequentially, which leads to increases in storage density and access speed.

O ....etc

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Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc. An older example of optical storage that does not require the use of computers, is microform. There are other means of optically storing data and new methods are in development. An optical disc drive is a device in a computer that can read CD-ROMs or other optical discs, such as DVDs and Blu-ray discs. Optical ....etc

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hi i am salman i want ppt and seminar report on 5D optical data Storage.i am here form my friend he said the ppt and seminar reports u get from here .please help me. ....etc

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1.SYNOPSIS
Optical computing means performing computations, operations, storage and transmission of data using only light. It uses the photons in visible light or infrared(IR) beams, rather than electric current, to perform digital computations. Optical computers, theoretically, transmit data using light from laser or infrared beams as opposed to electronic currents. Instead of silicon chips optical computer uses organic polymers like phthalocyanine and polydiacetylene. Optical technology promises massive upgrades in the e ....etc

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To get full information or details of optical disk data security please have a look on the pages

http://seminarsprojects.net/Thread-optical-disc-data-security?pid=12752

if you again feel trouble on optical disk data security please reply in that page and ask specific fields in optical disk data security ....etc

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Optical data storage is an alternative to magnetic disk data storage. At present, data access times are extremely slow for magnetic disks when compared to the execution speed of CPUs, so that any improvement in data access speeds will greatly increase the capabilities of computers, Especially with large data and multimedia files. Optical memory is a technology that uses a three-dimensional means to store data and can access such data one page at a time instead of sequentially, which leads to increases in storage density and access speed. Optica ....etc

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