Optical fiber communication () is characterized by meeting the requirements of high-speed and large-capacity digital communication. Low call loss rate b transmission band

Optical fiber communication has the characteristics of wide bandwidth, good anti-interference performance and long transmission distance, which is meeting the requirements of high-speed and large-capacity digital communication.

1. transmission frequency bandwidth: the transmission rate of optical fiber communication can reach megabits or even higher, because the bandwidth of light wave is much wider than that of electric wave, so the bandwidth of optical fiber transmission is very wide.

2. Good anti-interference performance: Optical fiber communication signals are not susceptible to external interference, such as electromagnetic interference and lightning strike, and have good anti-interference performance, especially digital signals with high transmission quality requirements.

3. Long transmission distance: As a transmission medium, optical fiber of optical fiber communication has higher transmission quality and high-speed transmission ability in long-distance transmission because the transmission speed of light is faster than that of cable and the transmission distance is longer than that of cable.

Working principle of optical fiber communication

Optical fiber communication uses the transmission of light in optical fiber to convert telecommunication, network and broadcast signals into optical pulses, and then convert them into original telecommunication, network or broadcast signals at the receiving end. The working principle of optical fiber communication includes light source, driver, laser, modulator, responsibility amplifier, detector, detector and so on.

Optical fiber communication is also widely used in medical, military, aerospace and manufacturing fields. For example, optical fiber is used to transmit medical images such as endoscopes and optical tomography in the medical field, radar signals in the military field, and optical fiber is used to measure and control the operation of machines and instruments in the manufacturing industry.