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Doped fiber amplifiers for you

Have you ever to think about what fiber amplifiers are? Have you ever think why you can have a TV show in your home? This should give thanks to the fiber optic manufacturer in china as they provide us with various fiber amplifiers for use in our daily life.
 
Today, I just want to say something about the doped fiber amplifiers. Doped fiber amplifiers (DFAs) are optical amplifiers that use a doped optical fiber as a gain medium to amplify an optical signal. They are related to fiber lasers. The signal to be amplified and a pump laser are multiplexed into the doped fiber, and the signal is amplified through interaction with the doping ions. With the high development of high technology and convenient communication, we can buy it from fiber optic cable supplier at any time and any place. There is a common example of this kind of fiber amplifier. The most common example is the Erbium Doped Fiber Amplifier (EDFA), where the core of a silica fiber is doped with trivalent erbium ions and can be efficiently pumped with a laser at a wavelength of 980 nm or 1,480 nm, and exhibits gain in the 1,550 nm regions.
 
Do you figure out some secrets about doped fiber amplifiers when you go to the market of fiber optic adaptor wholesale? We can share the information about it together if you love to. 

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