激光束的光强分布为高斯分布。
分析了衍射场的轴上光强分布特点。
The characteristics of axial intensity distribution of the diffracted field are analyzed.
本文还详细地分析了屏上的相对光强分布。
The relative intensity distribution of the viewing screen has been analysed.
最后计算分析了多矩孔菲涅尔衍射的光强分布。
At last the light intensity distribution of Fresnel diffraction at several rectangular apertures is calculated and analyzed.
啁啾参数的正负号不影响横向光强分布和光谱分布。
The sign of chirp parameters has no effect on the spectral distribution and transversal intensity distribution.
数值计算例表明，光强分布与菲涅耳数和遮拦比有关。
Numerical calculations are performed to show the dependence of intensity distribution on the Fresenl number and obscure ratio.
这种不规则的光强分布在一张照片的焦外部分是很明显的。
Such anomalous light distributions can be manifest in the out-of-focus parts of a photograph.
实现了对脉冲或连续激光束光强分布的实时、自动测量。
A real time and automatic measurement of intensity profile of pulsed and CW laser beam has been realized.
该公式与光强分布的实测数据相符合，并具有一定的通用性。
This formula agrees with experimental data and it is of universality is some ways.
研究了部分相干贝塞尔光束经过光阑透镜聚焦后的光强分布。
This paper deals with an investigation of intensity distribution of the partially coherent Bessel beams focused by an aperture lens.
光强分布、织物透光、旋转速度、温湿度等都会影响测试精度。
Distribution of light intensity, transmittance of fabrics, speed of rotation, temperature and humidity have influence on the test precision.
并利用此公式对线波带片焦面及其附近的光强分布结构进行了分析。
The discussiou of focal plane and nearby intensity structure of plates is also given.
在对远场光强分布分析的基础上，对非稳腔的光束质量作了详细研究。
Based on the analysis of the far field intensity distribution, the beam quality of unstable resonators has been studied in detail.
实验研究了激光器的阈值和激光器输出的光强分布与泵浦光场之间的关系。
The relationship among the laser threshold, the output intensity profile and the pumping fields has been studied experimentally.
对多路合成全息图和一般彩虹全息图再现时表面光强分布进行了研究和分析；
The light intensity distribution of the multiplex hologram surface and the rainbow hologram suface at reconstruction are analyzed.
利用数值计算详细分析和说明了偶数模厄米高斯光束的轴上光强分布和焦移。
The axial intensity distribution and focal shift of H-G beams with even mode Numbers are analyzed and illustrated with detailed numerical examples.
结果表明：随着聚焦距离的增加，焦面光强分布由中央凹陷状向高斯分布转变。
The results indicate that with the increase of focal length, the intensity distribution on the focal plane varies from central-dip form to Gaussian distribution.
采用组合位相光栅技术，制作光强分布均匀、衍射效率较高的多光束分光元件。
A generated technique of balanced light intensity and high efficiency multiple ban splitting beams element using synthetical phase gratings.
我们采用光纤技术进行空序→时序变换的方法，能实时显示相对光强分布曲线。
Using fibre light guide to transform spatial sequence into time sequence, displaying distribution curves of intensity of light are of real-time.
利用光敏三极管代替硅光电池和光敏二极管来测试单缝和双缝衍射的光强分布。
This paper introduces a new method to measure the intensity distribution of single seam diffraction by replacing the silicon photocell and light activated diode with light activated triode.
本文揭示了单色光夫琅和费单缝衍射的光强分布与矩形波频谱分布之间的相似性。
This paper proclaims similarity of distribution between light strength of monochromic Fraunhofer's single - slit diffraction and square - wave frequency spectrum.
对双曲余弦高斯光束通过光阑透镜分离系统的轴上光强分布做了详细的数值分析。
The axial intensity distribution of Hermite-cosh-Gaussian (HChG) beams passing through a system with the aperture and lens separated is studied numerically.
这种方法能够证实氦氖激光基横模的光强分布是高斯分布，能够确定光斑的大小。
The method can confirm the Gaussian distribution of optical intensity for the fundamental transverse mode of the He-Ne laser and determine the size of its light spot.
利用数值分析的方法分析了由边界波理论公式所得的圆形光阑衍射场的光强分布。
The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.
提出了利用近红外激光散射光强分布分析来检测半导体材料内部微体缺陷的检测方法。
A detection method for obtaining the micro bulk defect size in semiconductive materials by analyzing near infrared laser scattering light distribution is presented.
理论分析表明，通过对入射角进行优化可以得到衍射效率高且光强分布均匀的分束器。
Theoretical analysis shows that the splitter with high diffraction efficiency and uniform distributed light intensity can be designed by incidence Angle optimization.
截止波长测试和近场光强分布检验表明，该光子晶体光纤确实具备较宽的单模工作范围。
The measurements of the cut-off wavelength and the near field intensity distribution show that the PCF does have comparatively wide single-mode operating range.
本文从理论上分析了抛物面反射镜产生平行光场的光强分布规律，并介绍了实际测量结果；
The intensity distribution of parallel light field produced by paraboloid reflector is analysed and its measured result is introduced.
结果表明，EFGB聚焦后，近场光强分布变化很快，特别是焦点前后，光强分布会快速旋转。
The results show that the intensity distribution of focused EFGB change quickly, especially near the focal point, and the spot will rotates quickly.
对给定调制参数的余弦-高斯光束，通过适当选取分数傅里叶变化阶数可以获得平顶的光强分布。
A flat-topped beam can be achieved by a suitable choice of the transform order for the Cosine-Gaussian beams with the modulation parameter.
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