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Image: Experimental setup of the (a) high power tunable Raman fiber amplifier and (b) tunable random Raman fiber seed laser at 1.2 μm waveband. PDF, phosphorus-doped fiber; QBH, quartz block head; WDM, wavelength division multiplexer; SFS, superfluorescent fiber source; P1, port 1; P2, port 2; P3, port 3.

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Yang Zhang, Jiangming Xu, Junrui Liang, Jun Ye, Sicheng Li, Xiaoya Ma, Zhiyong Pan, Jinyong Leng, Pu Zhou

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