A Brief History Of Fiber-Optic Communications
Optical communication systems date back to the 1790s, to the optical semaphore telegraph invented by French inventor Claude Chappe...
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Optical-Cable Construction
The core is the highly refractive central region of an optical fiber through which light is transmitted...
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power protection
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Web Resources
Your website's ranking on search engines is a vital element
of your overall marketing campaign, and there are ways to
improve your link popularity through legitimate methods.
Unfortunately, the Internet is populated by bands of
dishonest webmasters seeking to improve their link
popularity by faking out search engines.
The good news is that search engines have figured this out,
and are now on guard for "spam" pages and sites that have
increased their rankings by artificial methods. When a
search engines tracks down such a site, that site is
demoted in ranking or completely removed from the search
engine's index.
The bad news is that some high quality, completely
above-board sites are being mistaken for these web page
criminals. Your page may be in danger of being caught up in
the "spam" net and tossed from a search engine's index,
even though you have done nothing to deserve such harsh
treatment. But there are things you can do - and things you
should be sure NOT to do - which will prevent this kind of
misperception.
Link popularity is mostly based on the quality of sites you
are linked to. Google pioneered this criteria for assigning
website ranking, and virtually all search engines on the
Internet now use it. There are legitimate ways to go about
increasing your link popularity, but at the same time, you
must be scrupulously careful about which sites you choose
to link to. Google frequently imposes penalties on sites
that have linked to other sites solely for the purpose of
artificially boosting their link popularity.
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