Xiaoya Ma, Jiangming Xu, Jun Ye, Yang Zhang, Liangjin Huang, Tianfu Yao, Jinyong Leng, Zhiyong Pan, Pu Zhou. Cladding-pumped Raman fiber laser with 0.78% quantum defect enabled by phosphorus-doped fiber[J]. High Power Laser Science and Engineering, 2022, 10(2): 020000e8
- High Power Laser Science and Engineering
- Vol. 10, Issue 2, 020000e8 (2022)
Fig. 1. (a) The experimental setup of the low-QD RFL. (b) The structure of the PDF. (c) Properties of the Raman frequency shift of the PDF.
Fig. 2. Schematic diagrams of laser transmission in (a) cladding pumping and (b) core pumping.
Fig. 3. Power evolutions of (a) the 1086.5 nm signal and (b) the residual pump, in two pump schemes. (c) The normalized intensity spectra as a function of wavelength, with 55 W pump power.
Fig. 4. Power evolutions of (a) the 1086.5 nm signal and (b) the residual pump as functions of pump power, with different OC reflectivities.
Fig. 5. Power evolutions of (a) the 1086.5 nm signal and (b) the residual pump as functions of pump power, with different PDF lengths.
Fig. 6. Power evolutions of (a) the 1086.5 nm signal and (b) the residual pump as functions of pump power, with different QD outputs.
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