Showing posts with label Optics. Show all posts
Showing posts with label Optics. Show all posts

Saturday, November 27, 2010

As fiber optics work?

Glass fiber is used with increasing regularity because of the numerous advantages it offers compared to more traditional data technologies such as copper. But what is fiber optic cables to them effectively?

How are fiber optic cables are made?

Refers to the application of fiber optics to transfer data through light signals to transmit. Most optical fibers are made of glass or, less commonly, plastic. Glass is often usedbecause there is less signal loss over long distances with plastic.

Each optical cable is basically composed of two "layers". The center is called "core" and this is where the signals are sent through the light. Surrounding the core is the second layer, named as the coating. The coating is what keeps the signal within the nucleus, using a principle called total internal reflection. " The coating is reflective, leading indicators of light to travel through the core, while theprevent signal leakage or be absorbed by external components.

Single mode and multimode fiber

Optical components can be grouped into two main categories. The first is called single-mode fibers support a single propagation path, whereby a signal at a time. Single-mode be used for most communication links longer than 200 meters. Alternatively, there are multimode fibers. These usually have a core of large diameter and are used for short-range communication linksor for applications where high power must be transferred.

How is the information passed to the light?

The light signal transmitted through these wires is not actually a continuous beam. Rather, it is composed of short sequences of light signals. This process is derived from the Morse code, the communication system with a series of long and short of the individual values. That's because the computer code consists of only 1 and 0.

Fiber Optics offers many advantages over traditional wires, like copper. optical components, higher transmission speeds, higher speeds and greater reliability. They are safer and actually cost less in the long run compared to the metal. Unlike metal wires, optical wires are immune to electromagnetic interference, have a much lower risk of fire or shorts, and prevent cross talk between the wires next.

For these reasons, the fiber has become the best choice for many industries, including telecommunications systems,> TV broadcasts via cable and data networks.

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Monday, November 15, 2010

Schemes of work in fiber optics - ConcreteNetwork.com

Fiber www.concretenetwork.com add a dramatic effect on all sink outside. The fiber can be embedded in concrete countertops behind colored glass chips. See how this really looks great at night.

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Thursday, November 4, 2010

Microsoft Office and a society of fiber optics

This video shows how case study of Microsoft Office Timbercon, a manufacturer of fiber optic cables, has helped to increase efficiency in its operations.

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Sunday, September 12, 2010

Dark Fiber Optics May Be Lighting Up Near You

Dark fiber optics may sound mildly sinister but in fact they are merely fiber optic cables which are currently not in use, or unlit. While a fiber optic cable in use by someone leasing it may still be referred to as dark fiber that may be because they have no specific long term use and may return to unused status as soon as the lease expires.

Dark fiber optics are everywhere and while companies do plan for redundancy, there are more miles of dark optics than mere redundancy can account for. Two major factors caused this glut of fiber optics. The first factor was that many optimistic companies laid miles of fiber optic cables with the intention of becoming the dominant telecommunication provider in their area. Business was booming and expected to continue to boom past the 1990s as far as data communication went and these companies built enough of these lines to cover the needs of their area many times over.

Data traffic did not continue to grow as predicted and also the development of technology to increase the carrying capacity of fiber optic lines further reduced the demand for new lines. Some companies went bankrupt because millions of dollars had been invested in this projected growth. Some companies survived the fiasco by simply struggling through it and taking the losses, but the market was by then full of unlit optics.

The practice of leasing these unlit fiber optic lines has become increasingly more commonplace. However the supply of unused optics far outstripped any demand for them, at least until recently. Just as a square block or more of vacant houses will eventually draw investors who see the potential, so have these unused lines drawn companies who feel there is potential in the market or believe now it the time to create their own network.

In the beginning of the optic boom these unlit lines were rarely leased and almost never sold. However internal trading could and did take place. As the market became glutted it became more commonplace to lease them to organizations. Recently there has been noticeable trend toward purchasing sometimes thousands of miles of this unlit line. A well known cable and data provider purchased more than twenty eight hundred miles of unlit optics to further expand their network. A coop of universities and research facilities have purchased large blocks of unused lines recently.

Interest has begun to revive in unlit but fully usable lines and it is obvious many corporations are moving toward getting their share, while it is still at rock bottom prices. A big name in the search engine industry has posted a job which calls for an individual skilled in negotiation and recognition, and selection of dark fiber optics contracts. This has stirred a lot of speculation as to what the future might hold for this company and others.

While there are still many miles of unclaimed Dark Fiber, this situation may not last long. Speculators and companies with big plans for the future may move in and take as much as they can find. Whether it is good business or bad business, it is certainly a forward looking strategy.

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Sunday, August 29, 2010

Advantages of Fiber Optics

Fiber optic relays are quickly becoming the medium of choice for telecommunication systems, television transmission, and data networks. Fiber optic cables boast a bevy of advantages and benefits over more traditional methods of information systems, such as copper or coaxial cables.

So what are some of these advantages that make this technology so much better than metal wire? One of the greatest benefits to using optical light signals is the capacity and speed of such a system. Obviously, light travels much faster than an electrical system (as with a metal wire system), thereby allowing faster reception and delivery of information. Also, fiber optic schemes have a much higher capacity for bandwidth than those that are more traditional.

Coaxial cables are known for their susceptibility to electromagnetic interference, which can cause them to become less effective. Fiber optics, on the other hand, is not affected by external electrical signals, since data is transmitted with light. Its immunity to electromagnetic interference is another huge advantage over metal wire and coaxial channels.

Optical systems also offer more security than traditional mediums. Coaxial cables can leak information due to magnetic interference. Due to this decreased radiation, eavesdropping is made much more difficult and optical transmission mediums are currently one of the most secure methods of information transfer.

Fiber optic systems are one of the safest forms of data transmission in terms of fire prevention, as well. Metal wire forms of transmission can create sparks, causing shorts and in some cases, fire. Since optical strands use light rather than electricity to carry signals, there is no chance of starting an electrical fire. This simple fact makes fiber optics an extremely safe form of wiring, especially when compared to more dangerous traditional wire alternatives.

Fiber optic systems are much more efficient than coaxial and copper mediums because there is far less loss of data. This can be attributed to the design of optical fibers and, more specifically, the principle of total internal reflection that they use.

The cladding used in this science of light transmission also greatly increases the effectiveness of data transmission. Because of this innovation, coupled with the total internal reflection, there is no crosstalk between cables.

Fiber optic data systems have proven to be a much better alternative to traditional data communication mediums, such as copper wire and coaxial cables. As new technologies are developed, these avenues will become even more efficient, securing there place in the future of telecommunication, television, and data network industries.

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