Optical fiber amplifier secret weapon of optical fiber communication

What is a fiber amplifier ? Fiber amplifier refers to a new type of all-optical amplifier that is used in optical fiber communication lines to achieve signal amplification. According to its location and role in the optical fiber line, it is generally divided into relay amplification, preamplification and power amplification three. The next Xiaobian will lead you to understand the relevant knowledge of optical fiber amplifier.

[Fiber amplifier type]
       Fiber amplifiers generally consist of a gain medium, pump light, and input-output coupling structures. At present, there are mainly three types of fiber amplifiers, ie, Erbium doped fiber amplifiers, semiconductor optical amplifiers and fiber Raman amplifiers. According to their application in optical fiber networks, optical fiber amplifiers mainly have three different uses: they are used as power amplifiers on the transmitter side to improve emission. The power of the machine; an optical pre-amplifier before the receiver to greatly increase the sensitivity of the supplier of the optical receiver optical receiver; a repeater amplifier in the optical fiber transmission line to compensate for the optical fiber transmission loss, to extend the transmission distance.
       [Fiber amplifier function]

       Fiber Optic Amplifiers Suppliers of fiber amplifiers can not only directly amplify optical signals, but also have real-time, high-gain, wide-band, on-line, low-noise, low-loss all-optical amplification capabilities, and are the suppliers of next-generation fiber optics in communications systems. The essential key device; because this technology not only solves the limitation of attenuation on the transmission rate and distance of the optical network, but more importantly, it creates a wavelength division multiplexing of the 1550 nm frequency band, which will enable super high speed, large capacity, and ultra Long-distance wavelength division multiplexing (WDM), dense wavelength division multiplexing (DWDM), all-optical transmission, and optical soliton transmission become a reality. It is an epoch-making milestone in the history of optical fiber communications. In current practical optical fiber amplifiers, there are mainly erbium doped fiber amplifier (EDFA), semiconductor optical amplifier optical amplifier suppliers (SOA), and fiber optic Raman amplifiers (FRA), among which the erbium doped fiber amplifier is superior in its performance. Has been widely used in long-distance, high-capacity, high-speed optical fiber communication systems, access networks, fiber CATV networks, military systems (radar multi-channel data multiplexing, data transmission, guidance, etc.) and other fields, as a power amplifier power amplifier Vendors, repeaters and preamplifiers.
       [Use Fiber Amplifier Precautions ]

       1. Do not point the optical fiber output port to the human body, especially the eyes, to avoid damage.
       2. Do not connect the router under power-on condition so as not to burn the end of the output fiber due to improper operation.
       3. Due to the large output power of the product, please pay attention to the working room temperature of the unit during use, and maintain good ventilation.
       Conclusion: Due to the development of ultra-high-rate, high-capacity, long-distance optical fiber communication systems, optical fiber amplifiers , which are key components in the field of optical fiber communications, will have higher requirements. For more exciting content of optical fiber amplifiers, please continue to pay attention to this website information platform.

Fiber optic cable

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