Understanding Single-Mode Fiber-Optic Cables | The Benefits and Applications of Laser-Based Data Transmission

Which of the following fiber-optic cable types use lasers in a single stream as a data light source transmitter?

The fiber-optic cable types that use lasers in a single stream as a data light source transmitter are generally referred to as single-mode fiber-optic cables

The fiber-optic cable types that use lasers in a single stream as a data light source transmitter are generally referred to as single-mode fiber-optic cables.

Single-mode fiber-optic cables are designed to carry a single mode of light, where the light travels in a straight path along the center of the cable’s core. These cables use a laser diode as the light source transmitter. The laser emits a coherent and narrow beam of light that can travel longer distances with minimal loss and dispersion.

The core diameter of single-mode fiber-optic cables is usually around 9 microns, which allows for a smaller beam of light to be transmitted. This leads to less dispersion and allows the cable to transmit data at higher speeds and over longer distances.

Single-mode fiber-optic cables are commonly used in long-distance telecommunications, such as submarine cables or connections between different cities. They are also used in applications that require high-speed data transmission, such as internet backbones, data centers, and long-haul network connections.

In contrast, multi-mode fiber-optic cables use a different type of light source transmitter called an LED (light-emitting diode) rather than lasers. These cables have a larger core diameter (typically around 50 or 62.5 microns) and are generally used for shorter distances, such as within a building or campus.

It is worth noting that there are variations and different specifications within both single-mode and multi-mode fiber-optic cables, but in general, single-mode cables utilize lasers as data light source transmitters.

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