光束

It is shown that the M2 factor increases with increasing bandwidth and deceases with increasing spatial correlation degree.

研究结果表明，M2因子随脉冲光束带宽的增大而增大，随空间相关度的增大而减小。

Analytical expressions for the spatial and spectral profiles of the transmitted and diffracted beams are obtained.

讨论了体光栅的结构参量对衍射光束的空间和频谱强度分布以及衍射效率的影响。

That is, each slit gives rise to a diffracted beam whose nature, as we have seen, depends on the slit width.

那就是依赖于缝的宽度，每一条缝加强了光束的衍射，就像我们所看到的。

These diffracted beams then interfere with one another to produce the final pattern.

然后这些衍射光束彼此产生干涉而得到最终的图样。

It diffracts the diffracted beam which effectively means that it generates an inverse transform.

它对衍射光束再发生衍射，这实际上意味着它产生了一个逆变换。

Characteristic beam parameters in diffracted field of fiber end face .

光纤端面衍射场光束的特征参数。

The results show that diffraction of different intensity, in other words, the radius of the circular aperture apparently influences on the distribution of the normalized light intensity of the diffracted beam and its propagation law.

结果表明：不同强度的衍射即圆形光阑半径的大小明显影响衍射光束的归一化强度分布及其传输变化规律。

The translation movements in both directions are recorded in the phases of the fields of the diffracted six spots in a linear relation.

基板在作二维移动时，六道绕射光束的光场相位会随著光子晶体玻璃基板的位移向量来作线性变动。

The characteristics and the generating method are studied and the design method of the straightness error measuring system with non diffracting beam is presented.

研究了无衍射光束的特性及其实现方法，给出了测量系统的结构和参数。

Beams of light which transmit through a diffracting device 2 and a collimator lens 3 for incidence on a beam splitter 4 a are made up substantially only by P polarized light.

透过衍射装置2和准直透镜3后入射到分束器4a上的光束基本上仅由P偏振光组成。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐