平行光束

X射线衍射平行光束法的应用研究

Study on X Ray Parallel Beam Diffraction Method

探照灯的抛物面反射镜发出平行光束。

The parabolic reflector of a searchlight gives a parallel beam .

有像散存在时甚至很窄的平行光束都不能会聚在一点。

Under astigmatism even narrow parallel light beams will not combine into one point .

GRIN聚合物微球用作平行光束至光纤的耦合器的耦合性能研究平行光束通过它能够发散或展开。

Studies on the Coupling Performance of GRIN Polymer Micro-Sphere ; a parallel beam of light passing through it is caused to diverge or spread out .

讨论并建立了一种基于平行光束发射光强调制的光纤位移传感器，该传感器的入射和接收光纤的端部都用渐变折射率光纤（GRIN）制成的透镜耦合。

A fiber optic displacement sensor based on the principle of collimated beam reflective intensity modulation is constructed . Both emitting fiber and receiving fiber are connected to graded-index ( GRIN ) lenses .

用电子学全息方法测量两平行光束微小夹角

Measuring the tittle angle of two parallel light beams using electronics holography

基于平行光束的后向散射光电感烟探测器的研究

Study for Backward Scattering Photoelectrical and Smoke Detector Based on Collimated Beam

测量表面张力的仪器。平行光束应力测定仪

An instrument for measuring strain in a surface . parallel beam stress meter

平行光束应力测定仪平行光束阴影摄谱仪

Parallel beam stress meter direct shadow parallel light apparatus

平行光束阴影摄谱仪零位平衡红外光谱仪

Direct shadow parallel light apparatus null-balance infrared spectrometer

激光平行光束，平行激光束

Collimated laser beam parallel beam stress meter

关于平行光束的聚焦

On the focusing of parallel light beam

平行光束在单层弱吸收Ⅱ型界面上反射时的纵向位移

The Longitudinal Displacement of Parallel Beam Reflected from a Single Layer Weakly Absorbing Type-II Dielectric Interface

输入端包括光纤准直器和偏转光栅，可实现平行光束的偏转。

The input device includes a fiber collimator and a deflecting grating , which can outputs parallel beams .

平行光束应力测定仪

Parallel beam stress meter

然而，这种散射的光束可以通过镜头的帮助被转化成平行光束。

However , such a divergent beam can be transformed into a collimated beam by means of a lens .

通过孔板后的单色光被分成三个不同高度的平行光束。

After passing through aperture on a plate , the monochromatic light is separated into three parallel beams at different depths .

本文导出了发散光束和平行光束菲涅耳透镜基本公式，对公式进行了讨论，并且设计制作了两块透镜。

This paper derives and discusses the fundamental formulas for diverging and parallel light of Fresnel-type lense , also we have made two lenses .

平行光束通过它能够发散或展开。受激布里渊放大光束发散角实验研究

A parallel beam of light passing through it is caused to diverge or spread out . Experimental Investigation on the Divergence of Brillouin Amplification Beam

当光源来自焦点以产生平行光束或者平行光束以产生焦点的凹入的反射镜。

A concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam .

数值计算结果表明：与一定光源孔径的平行光束比较，采用高斯光束可以获得更好的横向、纵向分辨率。

The results show that better resolution can be reached by using a Gaussian beam , compared with that by using a finite - sized parallel beam .

重建系统由哈特曼传感器探测平行光束穿过流场后的投影波前，采用计算机层析技术重建流场物理量的空间分布。

The projections of field are obtained by Hartmann wave-front sensor , and an estimation of physical parameter spatial distribution is realized by computerized tomography reconstruction technique .

根据高斯光束与理想平行光束的对比，给出了若干结论，从而保证了在利用光束衍射进行某些测量工作时的测量精度。

According to comparison between the Gaussian beam and ideal parallel beam , some conclusions are given which ensure the measuring fineness when we make some measurements with the beam diffraction .

用一辅助凸透镜与一测微目镜进行平行光束的会聚，测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小；

Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused , and the imaging size of line pair of collimator imaged on the another convex lens is measured .

根据费马原理，设想出一个由旋转椭球面与半径等于椭球短半轴的球面组成的透镜，使具有一定宽度的平行光束通过透镜后聚焦。

Based on Fermat 's principle , an optical lens which consist of a rotary ellipsoid and a sphere is designed so that a certain width of parallel light beam will focus at a point exactly .

球面波前，光束横截面上振幅的高斯型分布以及有限的光束口径导致高斯光束的衍射花样与平行光束相比具有某些差异。

There are three things which lead to the diffraction pattern of Gaussian beam to some difference from that of the parallel beam : the spherical wave front , the amplitude of Gaussian distribution in a cross section and the finite aperture of light beam .

所得结果表明，同轴平行光束干涉和交叉光束干涉所产生的光束波前位错受大气湍流强度、传输距离等参数调制的规律是不同的。

The results show that the dependence of the wave-front dislocations on the parameters of the atmospheric turbulence strength and the beam propagation distance was different , which were caused by the interference of the co-axial beams and the interference of the intersecting beams , respectively .

这种圆盘型光电折射率计甚至可对非平行入射光束仍保持相当好的线性度。

In addition , the circular disc refractometer can achieve quite good linearity even for non-parallel light beams .

试论平行单色光束通过棱镜折射后宽度的变化

Talks on the width change of the one - way single color light beam after the reflection of prism

本文根据能量平衡和光程相等的原理，导出一组非平行入射光束的整形器面形设计公式。

Based on the principle of energy balance and equivalent optical length , a series of formulas have been derived .