• High Power Laser and Particle Beams
  • Vol. 34, Issue 2, 021002 (2022)
Chun Zhang1、2, Lianghua Xie2, Qiuhui Chu2, Yu Liu2, Shan Huang2, Huaqing Song2, Wenjie Wu2, Xi Feng2, Min Li2, Benjian Shen2, Haokun Li2, Rumao Tao2、*, Lixin Xu1, and Jianjun Wang2
Author Affiliations
  • 1Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei 230026, China
  • 2Laser Fusion Research Center, CAEP, Mianyang 621900, China
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    DOI: 10.11884/HPLPB202234.210251 Cite this Article
    Chun Zhang, Lianghua Xie, Qiuhui Chu, Yu Liu, Shan Huang, Huaqing Song, Wenjie Wu, Xi Feng, Min Li, Benjian Shen, Haokun Li, Rumao Tao, Lixin Xu, Jianjun Wang. Research progress of stimulated Raman scattering effect in high power fiber lasers[J]. High Power Laser and Particle Beams, 2022, 34(2): 021002 Copy Citation Text show less
    Transverse mode instability induced by stimulated Raman scattering[15-16]
    Fig. 1. Transverse mode instability induced by stimulated Raman scattering[15-16]
    Quasi-static mode distortion induced by stimulated Raman scattering[18]
    Fig. 2. Quasi-static mode distortion induced by stimulated Raman scattering[18]
    Relative Raman gain vs yttria + alumina content[23]
    Fig. 3. Relative Raman gain vs yttria + alumina content[23]
    Output performance of 8 kW single-stage fiber laser[8]
    Fig. 4. Output performance of 8 kW single-stage fiber laser[8]
    Filter fiber with a high-index cladding ring[37]
    Fig. 5. Filter fiber with a high-index cladding ring[37]
    Circular 20/400 μm LCA DCF[39]
    Fig. 6. Circular 20/400 μm LCA DCF[39]
    Long period gratings[54]
    Fig. 7. Long period gratings[54]
    Chirped and tilted fiber Bragg gratings[55,62]
    Fig. 8. Chirped and tilted fiber Bragg gratings[5562]
    Simulated temporal fluctuations and simulated spectra at the output power of ~1 kW[78]
    Fig. 9. Simulated temporal fluctuations and simulated spectra at the output power of ~1 kW[78]
    strategydiameter/μm (core/clad)performanceperiod
    materialsgain decrease ~3 dB2013—2018
    LMAconfined-dope fiber${A_{{\rm{eff}}}}$ 600 μm2~22 dB SNR (8 kW)2012—
    tapered fiber20/400 to 30/600no Raman Stokes light when output power reached 2170 W2019—
    SSC-YDF20/400+30/600+20/400no Raman Stokes light when output power reached 5008 W2018—
    delocalizationstar-shaped filter fiber10 (core)~17 dB (net suppression ratio)2006/2014
    decreasing fiber lengthLCA-DCF20/400SRS threshold increase from 1.6 to 2.4 kW2020—
    Table 1. Summary of the recent SRS mitigation performance by fiber design
    parameterguideline/methodparameterguideline/method
    wavelength of signal>1085 nmbandwidth of FBG in OSCwider
    fiber length<60 mreflective index of FBG in OSClower
    core diameter>20 μmdoping concentrationlower
    seed powerlowerRaman noise of seed power<10−8 W
    pump methodsbackwardgratingsCTFBG/LPG
    external feedbacklarge angle cleavingself-pulsationspecial designed seed sources
    FMWchoosing the suitable dispersion value of fibersIM-FWMtemporal stable pump
    Table 2. Summary of the parameters optimization strategy in fiber laser system
    Chun Zhang, Lianghua Xie, Qiuhui Chu, Yu Liu, Shan Huang, Huaqing Song, Wenjie Wu, Xi Feng, Min Li, Benjian Shen, Haokun Li, Rumao Tao, Lixin Xu, Jianjun Wang. Research progress of stimulated Raman scattering effect in high power fiber lasers[J]. High Power Laser and Particle Beams, 2022, 34(2): 021002
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