自聚焦

Self-focusing properties of chirped Gaussian pulse beams in media with normal dispersion.

啁啾高斯脉冲光束在正色散介质中的自聚焦特性。

In the appendix, two kind of PGA algorithms are obtained in details.

论文的附录对相位梯度自聚焦的两种算法进行了较详细的推导。

Study of complexity shows that MTVA's computation amount is nearly half of PGA's.

通过算法复杂度的分析表明该算法的计算量约为相位梯度自聚焦的二分之一。

The image properties of plane convex SML are studied by using maxtrix optics method.

用矩阵光学方法研究平凸自聚焦透镜的成像特性。

Experiments have been performed using ultra-short (30fs) ultra-intense laser pulse(up to 1018W/cm2) focused into under-dense plasmas(ne＜1020/cm3). A 2ω0 probe pulse was used for the shadowgraphy and the investigation on the propagation of laser under various condition was presented.

开展超短超强激光与次稠密等离子体相互作用实验，采用探针光对激光等离子体相互作用区域进行阴影成像，研究了不同激光功率与临界功率比值及不同激光脉冲长度与等离子体波波长比值下的激光在次稠密等离子体中的自聚焦传输。

The lensless Fourier transform holograms thus formed were digitally recorded and the experimental results show that the reconstructed images and the interferogram can be evaluated for object deformation.

在光纤数字全息光路中引入自聚焦透镜，利用其特有的成像特性，作为物光波的中继传输器件，构成一套紧凑型光纤数字无透镜傅里叶变换全息记录系统，以实现对微小物体的全息记录与数值再现。

In order to study self-focusing phenomenon of an intense short laser beam propagating in cold,underdense plasma,the more complete ponderomotive force of laser beam propagating with implicate term and Lorenz term was used.

为了更完善地研究强的短脉冲激光在次临界密度冷等离子体中传播时的自聚焦现象，采用了包括洛伦兹项和牵连项的更为完整的有质动力形式。

At the same time,the infiuence of the tilt of self-focussing lens isanalyzed quantitively.

同时，对自聚焦透镜倾斜的影响给出了定量分析。

By Fourier op t ics method, fiber2op t ic confocal senso r using a gradient2index lens has been analyzed theo ret ically as an imaging system upon the w eak object app roximat ion.

不能下载请报告错误，谢谢软件简介：在弱物体近似下，运用傅立叶光学，从成像系统角度对自聚焦共焦传感技术进行了理论研究。

By Fourier op t ics method, fiber2op t ic confocal senso r using a gradient2index lens has been analyzed theo ret ically as an imaging system upon the w eak object app roximat ion.

在弱物体近似下，运用傅立叶光学，从成像系统角度对自聚焦共焦传感技术进行了理论研究。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。