Adewale Akinyimika, Yulei Wang, Zhenxu Bai, Yunfei Li, Zhiwei Lu. Phase conjugation lasers based on stimulated Brillouin scattering with high-power and high-energy[J]. High Power Laser and Particle Beams, 2021, 33(11): 111007
- High Power Laser and Particle Beams
- Vol. 33, Issue 11, 111007 (2021)
![Nonlinear SBS energy level diagram; ωQ is the phonon frequency,ωS is the Stokes frequency, and ωL is the frequency of the incident electromagnetic wave[73]](/richHtml/qjglzs/2021/33/11/111007/img_1.jpg)
Fig. 1. Nonlinear SBS energy level diagram; ω Q is the phonon frequency,ω S is the Stokes frequency, and ω L is the frequency of the incident electromagnetic wave[73]
![Experimental set-up for measuring SBS medium properties (e.g., OBT)[48]](/richHtml/qjglzs/2021/33/11/111007/img_2.jpg)
Fig. 2. Experimental set-up for measuring SBS medium properties (e.g., OBT)[48]
![(a) SBS-PCM system with a rotating wedge[25] and (b) laser spot at focus plane[62]](/Images/icon/loading.gif){kind=icon}
Fig. 4. (a) Experimental setup of the circulating two-cell structure[60], (b) two SBS cell structure (right) and single cell setup (left)[45]
Fig. 5. (a) Diagram of the unlocked case, (b) a concentric type produces weak density modulation and (c) backward focusing produces weak density modulation[82]
Fig. 6. A sample experimental setup for a prepulse system. PBS: polarizing beam splitter; HWP: half-wave plate; L1: planoconcave lens; L2 and L3: planoconvex lens; M: mirrors; W: wedge; SBS-PCM (FC75, 30 cm long) [64]
Fig. 7. A typical experimental setup of a four-beam combination system using the RW-SSP. ISO: optical isolator; PZT: 45 degree mirror attached piezoelectric transducer; RW: rotating wedge device; QWP: quarter wave plate; EM: energy meter[40]
Fig. 8. Experimental setup for the measurement of the leak beam patterns and the depolarization ratio for the four possible optical schemes in a double-pass Nd:YAG rod amplifier with an SBS-PCM. W: wedged window; AMP: Nd:YAG rod amplifier; FR: Faraday rotator[59]
Fig. 9. Reflected energy with rotating off-centered lens and normal lens[25]
Fig. 10. Closed-type SBS-PCM used to measure reflectivity at varying repetition rates. RT: quartz rotator; SF: spatial filter[26]
Fig. 11. Fraction of the light pathway for testing SBS reflectivity[27]
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Table 1. Some scientific achievements in SBS-PCM reflectivity
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