光束

So liquidcrystal grating is used in extensive field such as diffraction optics, photoelectric switch,deflexion controlling of light beam.

因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。

Atomic force microscopy ; Beam deflexion method ; Elastic surface wave ; Nanometer vibration

原子力显微镜；光束偏转法；表面弹性波；纳米振动

This paper discusses the mechanism of the propagation of elastic surface wave,presented a method that use the tip of atomic force microscopy and beam deflexion method to on line detect the nanometer vibration of the particle in the surface wave.

本文探讨了表面弹性波传播的机制，提出了一种利用原子力显微镜微探针与光束偏转法检测纳米振动的新方法，并利用这种方法对表面波质点的纳米振动进行了实时检测。

The results show that the effects on the output laser wavefront of the FADW are mainly the beam deflexion and the beam divergence, the other high-level wavefront errors are very low.

结果表明，自由旋涡气动窗口对输出激光波前的影响主要是光束偏转和离焦，特别是气动窗口工作在设计状态时，其余低阶及高阶像差都比较小，能够满足实际需要。

In order to improve output beam quality in ICF device, the optical element figure must be controlled strictly.

中文摘要在惯性约束聚变装置中，为了提高激光驱动系统的输出光束质量，需要对光学元件的面形进行严格控制。

The advantage of a multibeam laser dicing process does not eliminate the HAZ, but clearly minimizes this effect.

多光束的优点并没有消除热影响区，但显著的减小了热影响区。

The feature and the distribution of diffused light of the object are analyzed in detail.

全面分析了目标面漫反射光束的空间分布及其特性。

The pieces of the pattern are not symmetric and equal when the 3 dihedral angle errors are different.

采用3个二面角误差基本接近且绝对值较小的棱镜可以提高光束质量。

The characteristics and optical path difference of beam reflected by cube-corner prism with dihedral angle errors were researched;the CCP with errors acts as a phase screen comprised 6 optical wedges.

分析了角锥棱镜对光束的相位变换作用，带二面角误差的角锥棱镜可等效于6块光楔的组合，其楔角的大小和方向由二面角误差决定。

Furthermore, a new method for evaluating beam quality of laser diode is proposed.

在此基础之上，提出了一种新的针对激光二极管光束质量评价方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。