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1.光节点增加导致机房资源紧张:为了满足光功率成倍增加的需求,通常采用增加掺铒光纤放大器的方式来实现,但增加掺铒光纤放大器的数量受到机房资源等因素的限制。2.掺铒光纤放大器:目前有线电视网络中使用的光纤放大器通常为掺铒光纤放大器,网络使用的最大输出功率25dBm(316mW),最常使用的输出功率在20~23dBm之间。3.超大功率光纤放大器。驱动电路、双包层光纤的熔接将是决定超大功率光纤放大器能否稳定工作的关键。4.多模泵浦激光器的波长选择。超大功率光放大器的多模泵浦激光器输陕西迈克高新科技实业集团有限公司副总工程师樊立松
1. The increase of optical nodes leads to resource constraints in the equipment room: In order to meet the multiplicative demand of optical power, the method of adding an erbium-doped optical fiber amplifier is usually adopted, but the increase of the number of erbium-doped optical fiber amplifiers is limited by factors such as a room resource. 2. Erbium-Doped Fiber Amplifiers: At present, the fiber amplifiers used in cable networks are usually erbium-doped fiber amplifiers. The maximum output power of the network is 25dBm (316mW) and the most commonly used output power is 20 ~ 23dBm. 3. Super-power fiber amplifier. Driver circuit, double-clad fiber welding will be the key to determining whether the ultra-high-power fiber amplifier can work stably. 4. Multimode pump laser wavelength selection. Multi-mode pump laser of ultra-high-power optical amplifier lose Fan Lisong, deputy chief engineer of Shaanxi Mike High-tech Industrial Group Co., Ltd.