脉冲

An Nd:YAG Q-switched laser operating at a wavelength of 266 nm, a pulse duration less than 10 ns, and a repetition rate of 10 Hz, was used to ablate a ZnO target of 99.9% purity.

所使用的光源为Nd：YAG Q-switched雷射，其波长为266 nm、脉冲宽度小於10 ns、重覆频率10 Hz；使用的靶材为纯度99.9％的氧化锌。

Group velocity of the optical pulse propagation would be reduced based on coherent population oscillation effect in an absorbing medium.

由于相干布居振荡效应，光脉冲通过处于吸收状态的掺铒光纤介质时，将导致群速度传输减慢。

Finite-difference time-domain method was used to simulate the coupling processes of ultra-wide-band electromagnetic pulses into a cavity with a slot, and an anisotropic perfectly matched layer absorbing medium was inserted to truncate the computational lattices.

用时域有限差分法模拟超宽带脉冲入射时与目标腔体上的孔缝相耦合的过程，用单轴各向异性的完全匹配层吸收边界条件截断时域有限差分网格。

At the end of the current pulse, however, the trapstransfer from the absorbing to the nonabsorbing state.

但在电流脉冲终了时，具有特殊性质的陷阱就从吸收状态变成非吸收状态。

Based on the preliminary work, absorption coefficient of the material was measured using impulse method in a circular pipe.

在先前的研究基础上，利用管道脉冲法测量材料的吸声系数。

The nonlinear absorption and configuration of refractive index changes of fused silica induced by femtosecond laser pulse .

飞秒激光脉冲诱导透明介质的非线性吸收和折射率改变轮廓研究。

Finally, it is our most important chapter which discus the two-level systems which interacted with the Shaping-pulse dynamic progress of the absorption, dispersion and refractive index.

在后面几部分的讨论中就会发现，采用布洛赫矢量方法讨论激光脉冲同系统的相互作用，可以形象直观的从理论上观测到色散和吸收或辐射的动态演化过程，既有利于教学演示，又有助于帮助实验寻求更方便的激光整形方式。

In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.

本文研究了当激光脉冲线宽远大于被测吸收物质的吸收线宽时，衰荡光谱满足的规律，以及在这种情况下，测量灵敏度的大小。

Furthermore, we detailed discuss how the size of the atom bunch and Raman laser pulse, together with Doppler frequency shift affect the precision of the measurement of gravity acceleration.

本论文从薛定谔方程出发，研究了拉曼脉冲激光与冷原子系统的相互作用，得出了作用后的密度矩阵方程。

A remarkable effect to achromatopsia can be obtained by activating the working of the brain by applying pulse waves of a prescribed pattern to the ears and/or the backs of the hands and stimulating directly the brain.

通过向耳朵和/或手背提供脉冲，直接刺激大脑，从而可以激发大脑的活动能力，特别对色盲具有显著效果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。