光子

The source model consists of a photon fluence grid that is composed of a matrix of square elements, and is located 20 cm underneath the linear accelerator target.

建立的源模型包含一个由方形网格元素组成的光子通量矩阵，定位于距离加速器靶下方20 cm处。

The results of the studies indicate that the fluctuations of two quadrature components of light can be squeezed periodically, and this squeezability is related to the initial state of the system.

数值计算结果表明，光场的两个正交分量的均方涨落均呈现周期性的压缩，其压缩程度与系统的初始状态有关；光场光子的统计性质也依赖于系统的初始状态，光场两模之间的相关是一种非经典相关。

In this thesis we discuss the reflection and transmission of the probe beam controlled by the standing wave to emulate experimental results.

在这里我们将详细的讨论在热的铯原子系统中，考虑多普勒加宽效应的影响，光子带隙的在不同条件下的产生的原因，理论分析并验证了实验结果。

The result shows that the theory about stationary wave can be used to properly explain the relationship between the spectral structure and the thickness of the dielectric material,the index of refraction of the dielectric and metallic materials composed photonic crystal.

结果表明介质材料的厚度、折射率以及金属材料折射率的虚部对光子晶体光谱的影响可以采用驻波理论较好解释。

The two-photon absorption properties of 4,4′-bis stilbene synthesized recently are calculated at ab initio level.

对最近实验室合成的分子材料4，4＇二甲氨基二苯乙烯的双光子吸收特性在从头计算的基础上进行了理论研究。

Studies on two-photon absorption of E-4,4'bis(N,N-di-n-butylamino)stilbene

反-4，4'-双二苯乙烯分子双光子吸收性质研究

Propagation of optical solitons in fiber amplifiers is discussed by considering a model that includes gain dispersion, intrapulse stimulated Raman scattering and two-photon absorption.

本文建立了包括增益色散，受激喇曼散射，双光子吸收效应的理论模型，讨论了光孤子脉冲在光纤放大器中的传播。

Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推导方法得到了可以用来讨论飞秒量级光脉冲传输特性的半导体光放大器理论模型，该模型同时考虑载流子浓度脉动、光谱烧孔、受激辐射、自由载流子吸收、双光子吸收和超快非线性折射效应。

On the one hand,the stimulated emission is strengthened with the increasing of the photonic crystals′ priod.

同时，光子晶体的长度和介电常量虚部的大小都会影响晶体的受激辐射。

The results show that a large enhancement of stimulated emission appears at the photonic band edges.

当在介质中掺入具有增益特性的介质时，靠近光子带隙边缘就会出现较强的受激辐射放大。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。