What Is Fiber Optics CableWe might look upon such modern inventions as a fiber optics cable to be a wonder of modern invention. The thing that makes humans so different than any of the other animals is, when one person invents something, we all copy that thing forever. We're not particularly that good at inventing each of these things, by ourselves. However, when that rare person comes along that can actually invent a completely new thing, then we copy that thing forever from then-on (or until something faster and newer comes along). Since the total number of people has gone up so much in the last hundred years, the total number of those people who can invent new things has risen, though. And you end up with clever thoughts like a fiber optics cable. Like most things at the beginning, the thought that you could make electronic cables that were made out of glass was an insane thought. Most thoughts, when nobody has ever experimented with them yet, sound insane though. Glass, a thing which breaks so easy, turned into a flexible cable that could connect your television to your HD player. "Impossible¡ it'll never happen," you would have said back in 1930.
When they invented the concept of passing signals as high as 10 MHz (million oscillations-per-second) through a cable using twisted pair and coaxial cable connectors, people would have also said that was impossible in 1930. Now, that looks like caveman times to us, now. Now is the time for such things as "fiber optic patch cables". With these we can do such things as connect at far-greater-than-1-GigaHertz speeds. The magic occurs because the electronic signal that comes from the HDTV's circuit board is translated via laser diodes to light, which then gets shot into fiber optic cables. These cables, being made of glass, have reflective sides; and, just like when you gaze the long distance into an aquarium, that steep angle keeps the light from bouncing out of the 'tube' of glass as it ricochets down the tunnel. A fiber optics cable can be viewed as if it were a tunnel with mirrored sides. In reality the only thing that makes the sides to act as if they were a mirror is because they're at a steep angle to the signal. Fiber optic connectors are designed to lock on firmly to the laser platform. It can be thought of as an outer-space spaceship that has to keep all of the light from going outside the 'hatch'. Thus, you push the connector in, then you turn it, much the way you turn a much bigger BNC connector. This allows to little metal pins to latch into two spring-loaded depressions, which keeps it snug. Fiber optic patch cords tend to be short. The shorter they are, the less chance you'll 'kink' them. They've made fiber optic cables to be flexible, but not THAT flexible. One that's common in houses is called 'multimode' or MM cable. It can pass 1.25 Gigabits per second over short distances at rates from 10 Mbit/s to 10 Gbit/s. Link lengths can be as long as 2000 feet (600 meters), but they're generally only short lengths when you run them inside your house. They're generally used for what are termed 'backbone' installations. Fiber optics cable that's multimode has a greater light gathering capability than single mode would. |
US $24.67
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