How fiber optical cable is used in communication system?

Fiber optics (optical fibers) are long, thin strands of very pure glass about the size of a human hair. They are arranged in bundles called optical cables and used to transmit signals over long distances. Fiber optic data transmission systems send information over fiber by turning electronic signals into light.

What type of energy is transmitted through fiber optic cable?

Fibre-optic cables do not carry any electrical current, they just transmit digital binary signals. These ‘on-off’ light signals are then decoded at their destination. The advantage of sending digital data in this form is the speed of transmission and therefore the amount of data that can be transmitted per second.

Can fiber optic cable transmit electricity?

While optical fiber doesn`t carry electricity, it does transmit light, which, in some instances, can damage the eye. The glass fiber itself also poses a danger, potentially becoming embedded in or under the skin.

What is an optical communication system?

Optical communications systems are very important for all types of telecommunications and networks. They consists of a transmitter that encodes a message into an optical signal, a channel that carries the signal to its destination, and a receiver that reproduces the message from the received optical signal.

What are the basic elements of optical fiber communication link?

An optical fibre communications link consists of the following elements: an electro-optical transmitter, which converts analog or digital information into a modulated beam of light; a light-carrying fibre, which spans the transmission path; and an optoelectronic receiver, which converts detected light into an electric …

What are the basic elements of a fiber optic communication system?

The basic components are light signal transmitter, the optical fiber, and the photo detecting receiver. The additional elements such as fiber and cable splicers and connectors, regenerators, beam splitters, and optical amplifiers are employed to improve the performance of the communication system.

Why we use LED in optical fiber communication?

Light emitters are a key element in any fiber optic system. This component converts the electrical signal into a corresponding light signal that can be injected into the fiber.

What is an optical communication link?

An optical link is a telecommunications link that consists of a single end-to-end optical circuit. A cable of optical fibers, possibly concatenated into a dark fiber link, is the simplest form of an optical link. Other forms of optical links include free-space optical telecommunication links.