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- 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;
- Then it discusses its three prominent merits: the property of single mode,high nonlinearity and controllable group velocity dispersion. 然后讨论了其三个突出的优点:单模传输特性、高非线性效应和可控群速度色散特性。
- Moreover, the influence of the group velocity mismatch (GVM) and group velocity dispersion (GVD) on the filter for broad-bandwidth femtosecond pulse is analyzed. 同时还分析了群速失配以及色散对宽带飞秒脉冲双折射干涉滤波的影响。
- The group velocity matching and group velocity dispersion have been investigated for noncollinear optical parametric amplification with periodically poled KTiOPO4 (KTP). 研究了周期性极化晶体非共线参量放大的群速匹配和群速色散。
- It is found that the on-axis spectrum blueshift of ultrashort pulsed Hermite-Gaussian beams is relative to group velocity and pulse duration, but not to group velocity dispersion. 结果表明,超短脉冲厄米-高斯光束的轴上光谱蓝移,蓝移大小与群速度及脉冲宽度有关,而与群速度色散无关。
- 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 solution of propagation equation of femtosecond laser pulsewith duration of several optical oscillation periods is presented without consideration of group velocity dispersion. 给出了具有几个光振荡周期长的飞秒激光脉冲在不考虑群速色散的情况下传输方程的解。
- Finally, according to the dispersion compensation theory, we use single mode fiber with negative group velocity dispersion (GVD) to compress the mode-locked EDFL output with positively chirped pulse. 最后,根据色散补偿的原理,将正啾频量的输出脉冲利用单模光纤引入的负啾频量去达到脉冲压缩的效果。
- Negative Group Velocity Dispersion Mirror 负群速差色散镜
- Group velocity dispersion (GVD); 群速度色散(GVD);
- The propagation characteristic of ultrashort pulsed Bessel light beam in dispersive medium is studied. The spatially induced group velocity dispersion (SIGVD) can be used to compensate the dispersion of medium. 研究了超短脉冲贝塞尔光束在色散介质中的传输特性 ,指出空间诱导色散效应可以用来补偿介质色散作用 ,从而可以在色散介质中实现无衍射无色散的类时空孤子波的传输。
- From mixed path Ray-leigh wave group velocities of fundamantal model. Numerical inversion from the pure path group velocity dispersion is made to study the layered structures of the crust and upper mantle in the two blocks. 利用最小二乘法;从混合路径基阶瑞利面波群速度频散提取两块体的纯路径频散;并反演其地壳、上地幔的层状结构.
- This phenomenon is called velocity dispersion. 这种现象称为速度频散。
- Ultra-Short Gaussian Pulse Expansion and Deformation by High-Order Group Velocity Dispersion 高阶群速度色散引起的高斯超短脉冲宽度的展宽和形变
- RESEARCH OF ULTRASHORT OPTICAL PULSE DISTORTION BY THIRD ORDER GROUP VELOCITY DISPERSION 三阶群速度色散导致超短脉冲畸变的研究
- Numerical value study of filter for calculation of group velocity dispersion of surface wave 面波群速度频散计算中滤波的数值实验研究
- Numerical Simulation on Propagation of Ultra-Short Laser Pulse in Photonic Crystal Fibers with Different Group Velocity Dispersion Parameters 超短激光脉冲在不同色散参量光子晶体光纤中传输的数值模拟
- Theoretical and Numerical Analysis of Group Velocity Dispersion Effects on Nonlinear Optical Loop Mirror OTDM Demultiplexer 群速度色散对非线性光纤环镜型OTDM解复用器影响的理论与数值分析
- A simple analysis is made of the superluminal group velocity. 分析了电磁波传播时的超光速群速。
- Group Velocity Dispersion (GVD) 群速度色散