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Fiber amplifier introduced

Edit: Guangzhou Langyuan Audio Equipment Co.Ltd      Date:Jun 17, 2016

Fiber zoom device not only can light signal for directly zoom, while also has real-time, and high gain, and broadband, and online, and low noise, and low loss of full light zoom function, is new optical fiber communication system in the essential of key devices; due to this items technology not only solution has attenuation light network transmission rate and distance of limit, more important of is it created has 1550nm band of wave points complex with, to will makes super high-speed, and Super big capacity, and super long of wave points complex with (WDM), and intensive wave points complex with (DWDM), and All-optical transmission, optical soliton transmission becomes a reality, is a landmark in the history of optical fiber communication milestones. In currently practical of of fiber zoom device in the main has mixed erbium-doped fiber zoom device (EDFA), and semiconductor light zoom device (SOA) and fiber Raman zoom device (FRA),, which mixed erbium-doped fiber zoom device to its superior of performance now has widely application Yu long, and big capacity, and high-speed rate of optical fiber communication system, and access network, and fiber CATV network, and military system (radar more road data complex received, and data, and guidance,), field, as power amplifier, and relay zoom device and Qian Reset zoom device.

Fiber amplifier consists of gain medium, pumping, and input/output coupling structure. Currently fiber zoom device main has mixed erbium-doped fiber zoom device, and semiconductor light zoom device and fiber Raman zoom device three species, according to its in fiber network in the of application, fiber zoom device main has three species different of uses: in transmitter side as power amplifier to improve transmitter of power; in receiver zhiqian for light pre zoom device to great to improve light receiver of sensitivity; in fiber transmission line in the for relay zoom device to compensation fiber transmission loss, extended transmission distance.