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Explain the importance of optical fiber.

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1. Optical fiber is a device that works on the principle of total internal reflection by which light signals (huge data) can be transmitted from one place to another place with a negligible loss of energy in a very short time.

2. It consists of a cable having one or more thin flexible fibers with a glass core through which light signals can be sent.

3. Optical fiber can be twisted and bent easily.

4. When a light a ray of light is incident at one end of the core of optical fiber, it suffers total internal reflection at the many places inside the fiber and emerges at the other end with negligible loss of energy.

5. The data or information in the form of pulses of light, can be sent through bundles of optical fibers.

6. Optical fibers have become very important in high-speed communications, such as cable TV and high-speed broadband services.Fiber optic cables are able to carry more signals than traditional copper cable telephone lines.

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