The reflection spectrum, time delay, and group velocity dispersion (GVD) of the gratings are analyzed.
并对此种光栅的反射谱，时延及群速度色散进行了理论分析；
The group velocity dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent index model.
应用等效折射率模型对折射率导模光子晶体光纤的群速度色散特性进行了详细的讨论。
The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.
研究了群色散和非线性频移随频率和薄膜厚度的变化规律。
In all the above cases, the utility for transport of terahertz pulses is limited by the high loss, or by the group velocity dispersion of the guided waves.
在上所述的情况中，太赫兹脉冲的有效传输受限于高损耗，或导波的群速度色散。
Based on the theory of elastodynamics, the longitudinal guided wave and flexural guided wave group velocity dispersion curves for M22 stud were calculated.
根据弹性动力学理论，采用纵向导波与弯曲导波相结合的方法对螺柱所受轴向应力进行无损检测。
The result shows that the edged sampling mirror and the edged vacuum window can be treated as a pair of prisms, which generates negative group velocity dispersion.
分析结果表明，带楔角的取样反射镜与后续光路中使用楔形真空窗口构成了一对棱镜，产生负的群速度色散。
And a way to calculate the group velocity dispersion is presented when the vertical flat of the wedge lens is placed toward or outward the resonator, respectively.
分析了楔形镜垂直端面朝腔内和朝腔外两种组合方式的色散量计算方法。
By using the concept of spatially induced group velocity dispersion, the propagation of Bessel-like pulsed beam which is constant beam waist in free space is studied.
利用空间诱导色散概念，从理论上研究了等束腰宽度的类贝塞尔脉冲光束在自由空间中传输性质。
The effects of phase bias and group velocity dispersion on mode locking mechanism are analyzed. The operating conditions for stable short pulse generation are obtained.
分析了相位偏置和光纤的色散对锁模机制的影响，获得了产生稳定超短光脉冲的条件。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
The effects of group velocity dispersion, polarization mode dispersion and nonlinearity in fiber on the performance of wavelength division multiplexing system are analyzed in detail.
论述了光纤群速度色散、偏振模色散及光纤中各种非线性效应对光波分复用系统性能的影响，并给出了为减小其影响而应采取的措施。
The results show that the evolution of the steady-state output parameters of the system varies with the values of modulation parameters, group velocity dispersion and self phase modulation.
研究表明，系统的定态输出随系统的调制深度或调制频率、群速色散或自相位调制等参量值的变化而变化。
The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored.
研究结果表明，群速度色散（GVD）对大啁啾脉冲的影响很小，谱宽对自聚集的影响可以忽略。
The physical process of frequency chirped Gaussian pulses broading induced by the group- velocity dispersion has been studied.
研究了线性光纤中色散导致初始频率啁啾的高斯光脉冲展宽的详细物理过程。
The article discusses the differences in physical mechanism of mode locking by laser pulse injection between the dispersion region at positive group velocity and that at negative group velocity.
本文阐述工作于正、负群速色散区中的光脉冲注入锁模的物理机制的区别。
The chirped pulses will be compressed or broadened because of carrier-induced group-velocity dispersion when TW-SLA operates far below saturation.
由于载流子引起的群速度色散效应，使远离饱和区工作的TW-SLA会对有频率啁啾的光脉冲产生展宽或压缩。
Then the effects of higher-order group-velocity dispersion (GVD) on SC generation in different fibers are analyzed and contrasted in details through simulation.
介绍了SC谱的产生机理，并通过数值计算具体分析和比较了各种光纤中高阶群速度色散（GVD）对SC谱产生的影响。
Based on a scalar approximation, the group-velocity-dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent-index model.
基于标量近似理论，使用有效折射率方法对光子晶体光纤的群速度色散特性进行了详尽研究。
Study the detailed physical process of the group-velocity dispersion-induced pulse broadening, this must be taken as prepare the ground for the founding of optical soliton in nonlinear fiber.
研究了线性光纤中色散导致光脉冲展宽的详细物理过程，以此为光纤中光孤子产生的物理过程作物理上的准备。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
Then the effects of higher-order group-velocity dispersion (GVD) on SC generation in different fibers are analyzed and contrasted in details through simulation.
在群速度色散和自相位调制的共同作用下，可用分步傅里叶方法模拟初始啁啾对高斯脉冲在光纤中传输的影响。
Then the effects of higher-order group-velocity dispersion (GVD) on SC generation in different fibers are analyzed and contrasted in details through simulation.
在群速度色散和自相位调制的共同作用下，可用分步傅里叶方法模拟初始啁啾对高斯脉冲在光纤中传输的影响。
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