Intense Bragg scattering results in extreme deformation of the second band equifrequency surface into two classes: one around the K point and the other around the Γ point of the reduced Brillouin zone.
Bragg散射将第二能带等频线分成两类，它们分别凹向简约布里渊区的K点和Γ点，并由此导致了两种不同的回波负折射现象。
Shubnikov-de Haas oscillations are observed. The calculatedFermi surface size is about 5×10-4 high temperature Brillouin zone and consistentwith hidden Fermi surface nesting theory.
由Shubnikov-De Haas效应所计算出的费密面大小约为0.5×10-3高温布里渊区面积，与费密面的隐藏套叠模型相一致。
Based on the principle of Brillouin fiber optic gyroscope, the optical Jones matrix theory and stimulated Brillouin scattering classical theory are utilized to describe the characteristic of Brillouin optical resonator in detail.
在分析了布里渊光纤陀螺原理的基础上，利用琼斯矩阵光学的理论以及光纤中的受激布里渊散射理论，详细研究了布里渊光纤环形腔的特性。
In this paper we analyze the high reflectivity of transient interaction in Stimulated Brillouin enhanced Four Wave Mixing system under pump depletion.
从理论上分析了受激布里渊增强四波混频系统在泵浦抽空条件下，通过改变系统输入信号的组合，以获得高反射率的系统瞬态作用，计算机模拟得到了大于107左右的反射率。
The ultrasonic absorption coefficients αat 50 MHz of several glasses were measured by Brillouin-scattering pulse echo technique.
用超声光衍射技术测量了五种光学玻璃及铌酸锂的声光性能指数及声光系数；测量了玻璃在频率为50兆周时的超声衰减系数。
The matrix elements, degenvalues and eigenvectors are calculated in the irreducible part of the Brillouin zone.
这个矩阵元素，degenvalues和特征向量符何移算的布里渊区。
Pulse compression of two cell stimulated Brillouin scattering system in CCl4 liquid with high beam quality was experimentally investigated.
实验研究了双池受激布里渊散射系统中的脉冲压缩。
The number of subpeaks are identified to be 2～4 corresponding different phonon energies, i. e., different wave vector k in the Brillouin zone. The band dispersion relation is firstly obtained.
确定出导带的光电子谱对于不同的光子能量（对应于布里渊区内不同点）存在2～4个子峰，并首次得到K〓C〓晶体的能带色散关系。
Various parameters about Brillouin amplification versus energy ratio of the seed to the pump are investigated in three different encounter time.
选择了三种不同的相遇时间，研究了布里渊放大参数随种子光与泵浦光能量比的变化。
Furthermore, the double-loop BFOG program is proposed, which provides a potential solution of Kerr effect error in Brillouin fiber-optic gyroscope.
提出了一种全新的双环布里渊光纤陀螺方案，为布里渊光纤陀螺的克尔效应误差抑制提供了一种潜在的解决途径。
On the basis of one-dimension transient narrowband SBS theory, it is supposed that broadband KrF laser spectrum linetype is Lorenz linetype and KrF laser spectrum is composed of a number of narrow lines. Since mode separation for KrF laser spectrum is smaller than Brillouin linewidth, there is coupling action among these lines in the process of producing SBS.
在一维瞬态窄带SBS理论的基础上，假设洛伦兹线型为宽带KrF激光谱带的线型，并且假设KrF激光谱带由若干紧密相连的窄带谱线构成，由于宽带KrF激光模间隔远小于布里渊线宽，这些紧密相连的窄带之间存在一定的相互作用。
A method of using Brillouin scattering technique for measuring directly the bulk viscosity of water is proposed.
提出了一种直接测量水的体粘滞系数的实验方法--布里渊散射方法。
The frequency shift of Brillouin back-scat-tered light varies in proportion to the optical fiber's temperature as well as to the strain applied to it, andthus BOTDR can be used for temperature monitoring.
布里渊光频移量不仅与光纤的应变大小相关，还与光纤的温度存在相应的线性关系，因此BOTDR也可以用作分布式的温度监测〔`一5〕。
It is found power of Brillouin scattering signal is also a function of those two variables, so the method to simultaneously measure temperature and salinity by measuring the frequency shift and power is proposed and the synchronous measurement about temperature and salinity is realized.
研究表明布里渊信号的功率也是关于温度和盐度的二元函数，所以文章提出通过测量布里渊频移量和接收布里渊信号功率大小，通过两个二元函数反演出海水的温度与盐度数值，实现对海水温度和盐度两个独立变量的同步测量。
According to the measurement principle of brim detecting technology and the relation between Brillouin shift and sea surface temperature, a theoretical model which monitors sea surface temperature by detecting Brillouin scattering frequency shift based on brim detecting technology is established.
文章根据布里渊频移量与海表温度之间的关系以及边缘探测技术的测量原理，建立了边缘探测技术中布里渊频移量的测量误差与海表温度精度的理论模型，分析了边缘探测技术对海表温度测量精度的影响。
In previous experiments the very complicated system or high-precision and large-range spectra-analysis apparatus was used to distinguish stimulated thermal scattering and stimulated Brillouin scattering because the frequency shift of SBS is more larger than of STS which is a few tens MHz generally, but the shift of SBS reach several GHz typically. It will be difficult for common laboratorial conditions.
受激布里渊散射的频移量远大于受激热散射，达到GHz的量级；而STS的频移量很小，一般只有几十M Hz；在以前的实验中，要区分这两种散射需要非常复杂的实验系统，或者高精度、大测量范围的光谱分析仪器，这在一般的实验室条件下是难于满足的。
In previous experiments the very complicated system or high-precision and large-range spectra-analysis apparatus was used to distinguish stimulated thermal scattering and stimulated Brillouin scattering because the frequency shift of SBS is much larger than that of STS which is a few tens MHz generally, but the shift of SBS reaches several GHz typically.
受激布里渊散射的频移量远大于受激热散射，达到GHz 的量级；而 STS 的频移量很小，一般只有几十MHz；在以前的实验中，要区分这两种散射需要非常复杂的实验系统，或者高精度、大测量范围的光谱分析仪器，这在一般的实验室条件下是难于满足的。
The results show that complete band gaps (covering the entire Brillouin zone) open up for both structures.
本文预言周期性介电结构的最大折射率调制度和最大禁带宽度对应于同样的原子体积分数，而且这个最佳的原子体积分数是结构无关的。
The summation over the Brillouin zone in Eq.
总结了布里渊区在Eq。
In comparison with theoretical group velocities derived from the band structure, these experimental results are ascribed to the effect of the defect modes at the band edge of the first Brillouin zone.
我们并将此测到的实验数据与从能带图上计算得到的群速度理论值作了比较，发现这种的慢光现象是由於W1型光子晶体波导在1st Brillouin zone中，能带边缘的缺陷模态所造成。