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Oi Voip (Voice over IP) In 2010, Portugal Telecom acquired 22.4% of Oi shares. In 2013, Oi announced its merger with Portugal Telecom , the largest telecommunication company in Portugal, in order to strengthen the Brazilian firm and simplify its ownership structure.
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 January 2025. Cable assembly containing one or more optical fibers that are used to carry light A TOSLINK optical fiber cable with a clear jacket. These cables are used mainly for digital audio connections between devices. A fiber-optic cable, also known as an optical-fiber cable, is an assembly ...
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One purpose of doping is to raise the refractive index (e.g. with germanium dioxide (GeO 2) or aluminium oxide (Al 2 O 3)) or to lower it (e.g. with fluorine or boron trioxide (B 2 O 3)). Doping is also possible with laser-active ions (for example, rare-earth-doped fibers) in order to obtain active fibers to be used, for example, in fiber ...
OICI is responsible for all intelligence and counterintelligence functions of the Department of Energy complex, including the national laboratories and nuclear weapons construction, decommissioning, assembling, storage, etc. facilities not under the jurisdiction of the United States Department of Defense (the DoE and DoD share responsibility for the United States' nuclear stockpile). [10]