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横向受激布里渊散射
相关语句
  transverse stimulated brillouin scattering
     Numerical study on damage phenomenon induced by transverse stimulated Brillouin scattering
     横向受激布里渊散射诱导破坏的数值研究
短句来源
     Suppression of transverse stimulated Brillouin scattering
     横向受激布里渊散射的抑制
短句来源
     The Numerical Simulation of Transverse Stimulated Brillouin Scattering
     横向受激布里渊散射的数值模拟
短句来源
     Transverse stimulated brillouin scattering in large optics
     大型光学元件中的横向受激布里渊散射
     Transverse stimulated Brillouin scattering (TSBS) in large optics has been paid more and more attention in recent years with the gradual improvement of laser's energy density and power.
     随着激光器的能量密度和功率进一步提高,用以传输激光的大型光学元件中的横向受激布里渊散射现象越来越受到人们关注。
短句来源
  “横向受激布里渊散射”译为未确定词的双语例句
     The bad effects induced by transverse SBS can be suppressed when the bandwidth is greater than 20GHz.
     当带宽大于20GHz时,可以抑制横向受激布里渊散射带来的不良影响。
短句来源
     This article mainly discusses the characteristics and induced damage mechanisms of TSBS in large optics, as well as the suppression of TSBS due to finite laser bandwidth by the way of numerical simulations.
     本论文采用数值模拟的方法研究光学元件中横向受激布里渊散射的特点和破坏机制,以及横向受激布里渊散射的抑制方案。
短句来源
     Then the equations are solved in numerical methods, the space and time distributions of optical and acoustical waves under different conditions are derived, and the difference of these two models are analyzed from these numerical simulation results.
     本文首先从非线性耦合波方程组出发,考虑泵浦光场的变化,分别建立了光学元件中种子光激发和噪声激发的横向受激布里渊散射两种理论模型,然后运用数值方法进行求解,得到各种条件下光场和应力场的分布,并探讨了两种模型在描述方法上的异同。 在数值求解过程中采用了并行计算方案,从而解决了计算量过大、计算时间过长的问题。
短句来源
     Last the model of broadband pumped TSBS has been created and the corresponding numerical simulations are presented.
     最后建立了宽带泵浦的横向受激布里渊散射模型,并进行了相应的数值模拟。
短句来源
     The investigation shows that TSBS can be induced easily in large optics exposed to high intensity laser.
     我们的数值模拟结果表明,强激光辐照下的大尺寸光学元件中很容易激发横向受激布里渊散射
短句来源
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  相似匹配句对
     Suppression of transverse stimulated Brillouin scattering
     横向受激布里渊散射的抑制
短句来源
     The Numerical Simulation of Transverse Stimulated Brillouin Scattering
     横向受激布里渊散射的数值模拟
短句来源
     The Transverse Traffic of City
     城市横向交通
短句来源
     The new liquid mediums for stimulated Brillouin scattering
     受激布里渊散射的新介质
短句来源
     THE TRANSVERSE DAMPING SYSTEM
     横向阻尼系统
短句来源
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  transverse stimulated brillouin scattering
Coupled longitudinal and transverse stimulated Brillouin scattering in single-mode optical fibers
      
Due to their finite numerical aperture, both longitudinal and transverse stimulated Brillouin scattering can occur in single-mode fibers.
      


The present research situation and questions of the stimulated Brillouin scattering(SBS) in optical component are summarized in this paper.The ultrasonic wave damage,destroy of the beam quality,and the influence on the high power laser system including many big optical components are emphasized.And the further research direction on this field is pointed out.

综述了光学元件中受激布里渊散射 (SBS)对光学元件的超声波损伤、对激光传输能量的损耗、对光束质量的破坏等问题的研究现状、进展 ;重点是大口径光学元件中横向受激布里渊散射 ,并指出其未来的发展前景。

The coupled wave theory of nonlinear optics is adopted to establish two-dimensional theoretical model of seeded?narrowband pumped transverse SBS. The numerical investigation of steady-state situation is offered and the planar distribution of scattering light intensity is obtained. The calculation shows that scattering light has the character of local concentration, and the maximum of scattering light intensity is much greater than the pump light intensity as a result of "space compression" effect. This paper...

The coupled wave theory of nonlinear optics is adopted to establish two-dimensional theoretical model of seeded?narrowband pumped transverse SBS. The numerical investigation of steady-state situation is offered and the planar distribution of scattering light intensity is obtained. The calculation shows that scattering light has the character of local concentration, and the maximum of scattering light intensity is much greater than the pump light intensity as a result of "space compression" effect. This paper also analyzes the variation of scattering light intensity with different pump conditions and different material parameters and puts some qualitative conclusions.

 从非线性光学的耦合波理论出发,建立了种子光入射的窄带泵浦的横向受激布里渊散射的二维理论模型,并对稳态情形进行了数值模拟,得到了散射光强的二维分布。计算表明,散射光场在入射面内呈现出"局部集中"的特点,而且由于"空间压缩"效应,使得获得的最大散射光强远大于初始泵浦光强。还分析了光场及材料参数对获得的散射光强的影响,得出:入射的激光功率密度越大,光学元件的横向尺寸越长,材料的吸收系数越小,受激散射产生的散射光和弹性声波强度就越大,在材料内部引起的应力也越强,从而越有可能造成材料的破坏。

The coupled wave theory of nonlinear optics and continuous equations of hydromechanics are adopted to establish two-dimensional theoretical model of seeded and narrowband pumped transverse SBS. Based on these equations, investigations of the effect of broadband pump on Stokes gain are presented by numerical simulations. The investigation shows that the SBS gain will decrease significantly if laser bandwidth are a little greater than the SBS linewidth. Greater the bandwidth, less the Stokes gain. The bad effects...

The coupled wave theory of nonlinear optics and continuous equations of hydromechanics are adopted to establish two-dimensional theoretical model of seeded and narrowband pumped transverse SBS. Based on these equations, investigations of the effect of broadband pump on Stokes gain are presented by numerical simulations. The investigation shows that the SBS gain will decrease significantly if laser bandwidth are a little greater than the SBS linewidth. Greater the bandwidth, less the Stokes gain. The bad effects induced by transverse SBS can be suppressed when the bandwidth is greater than 20GHz. On the other hand, modulation frequency will influence Stokes gain and the optimal frequency through the numerical simulations can be chosen.

 从非线性光学的耦合波理论出发,结合流体力学的连续性方程,建立了光学元件中窄带泵浦的横向受激布里渊散射的二维理论模型,并在此基础上,利用数值模拟考察泵浦光带宽增加对受激散射过程的影响。研究表明:在一定的条件下,当泵浦光带宽略大于布里渊线宽时,受激散射过程的Stokes增益将显著降低;带宽越大,Stokes增益降低得越多;当带宽大于20GHz时,可以抑制横向受激布里渊散射带来的不良影响。另外,当带宽一定时,调制频率的改变也会影响受激散射过程,可以通过数值模拟确定最佳的调制频率。

 
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