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在讨论单频高功率光纤放大器工作原理的基础上,评述了单频高功率光纤放大器的最新进展。指出了单频高功率光纤放大器的关键技术:稳定可靠的、光频特性优良的信号源;吸收效率高的、受激布利渊散射泵浦阈值功率低的增益光纤;高效的耦合系统。
On the basis of discussing the working principle of single frequency high power fiber amplifier, the latest development of single frequency high power fiber amplifier is reviewed. The key technologies of single-frequency high-power fiber amplifier are pointed out: stable and reliable signal source with excellent optical frequency characteristics; gain fiber with high absorbing efficiency and low threshold power of stimulated Brillouin scattering pump; and efficient coupling system.