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.
根据该表达式对衍射场中的光谱进行了理论研究。
Base on this expression, the spectra in the diffraction field were investigated theoretically.
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.
研究表明:在衍射场的某些观测点,即在调制函数为零的位置附近,存在光谱开关现象。
It is shown that there exist spectral switches when the observation position is at the right points.
针对TM和TE模的入射光,我们采用严格的耦合波原理对金属光栅的表面衍射场进行了计算。
The rigorous couple wave theory is used to quantitatively calculate the diffraction electromagnetic fields for TM-polarized and TE-polarized incident optical wave.
光穿过这些场产生衍射,发散如喷雾状的衍射光向前方传播,因此对物体产生了一个与光束传播方向相反的推动。
The spray of light scattered forward by these fields could push the object backward, against the movement of the beam itself.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜(SIL)球面表面的反射对SIL系统透射场的影响。
The reflection effect of the spherical surface of a hemisphere solid immersion lens (SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.
应用天线理论中的电流分布法,首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
用两种会聚束电子衍射(CBED)技术研究了复合材料界面残余应变场。
The residual strain fields at composites interface were studied with two convergent beam electron diffraction (CBED) techniques.
采用菲涅耳衍射公式和傅里叶变换得出了输出面上的光场的理想计算公式。
The Fresnel diffraction formula and the Fourier transforms are used to get the intensity distribution formula.
对其进行了透射电镜(tem)、X射线粉末衍射(XRD),场诱导表面光电压谱表征(FISPS)。
They have been characterized respectively by transition electronic microscope (TEM), X-ray powder diffraction (XRD), field induced surface photovoltage spectrum (FISPS).
利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程,在远场近似及光学薄近似条件下,得出了位相调制产生“热像”出现的位置及强度满足的解析关系。
According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.
运用光波衍射理论,针对磁光盘建立了记录光场的数学模型。
With light wave diffraction theory, the mathematical model of optical field at the recording layer is developed for magneto-optical disk.
本文给出了平场输入和输出edg的设计方法,并利用标量衍射理论对设计的结果进行模拟,验证了平场输出EDG具有很好的分波效果。
The scalar diffraction theory is used to verify the design and the numerical results show that the designed EDG has a good performance.
研究结果表明,光阑衍射部分偏振高斯·谢尔模型光束的远场特性与光阑截断参量、光的空间相干性和衍射角有关。
It is shown that the far-field behavior of diffracted partially polarized Gaussian Schell-model beams depends on the truncation parameter, spatial coherence parameters and diffraction Angle.
对于介质目标微波衍射成象,本文引入了WKB近似来模拟目标内部总场。
For microwave diffraction imaging, we use the WKB approximation to estimate the total field in the dielectric object.
理论研究表明,在经过圆形光阑的夫琅和费衍射实验和杨氏双缝干涉实验中,衍射光场的归一化光谱都发生了剧烈的变化。
The theoretical analyses show that the phenomena of drastic spectral changes were also found in Fraunhofer diffraction of a circular aperture and Young's double-slit interference experiments.
这种显微镜利用局限在微小孔径上的隐失场提供物体表面形貌的细节,其分辨率可突破传统光学的衍射极限。
It utilizes the evanescent field confined at the tiny aperture for providing images of object surfaces with a resolution beyond the classical optical diffraction limit.
利用标量衍射理论,对相干光学系统中光场进行空间追踪模拟,该方法可以对光学系统中激光光场的分布进行预。
In this paper, based on scalar diffraction theory, light fields in the coherent optics system have been calculated by the spatial tracing simulation method that USES FFT.
模拟计算了超短脉冲波场入射下其衍射层析的角分布与面分布。
The Angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated.
该方法适用于任意入射方向,任意偏振态入射场衍射问题的研究。
The method suits for the diffraction of optical plane waves with arbitrary incident direction and polarization direction.
利用X射线衍射仪和场致发射扫描电子显微镜等手段对合成粉体的相组成、结构和形貌进行了研究。
The phase composition and microstructure of mullite powders were investigated by X-ray diffraction and field emission scanning election microscopy techniques.
本文主要对非平行光场入射时声光衍射效率的情况以及声光开关的衍射效率变化速率对输出脉冲时间特性的影响两个方面进行了研究。
This paper is mainly on the diffraction efficiency when incident light is non-paralleled and the effect of the diffraction efficiency variation rate on temporal characteristics of the output pulse.
从部分相干光的传输理论出发,研究了被光阑衍射扭曲高斯·谢尔模型光束远场的光谱变化规律。
Starting from the propagation theory of partially coherent light, the spectrum of twisted Gaussian Schell-model beams in the far field are studied.
衍射光场的相位逆运算是有意义并且困难的工作。
The inverse calculation for the phase of optical wave field of Fresnel diffraction is a significant but difficult work.
本文讨论了由晶体缺陷所致的自增强衍射光,富集于缺陷的空间电荷所致的空洞场,以及由此场导致的发生在畴界上的静电斥力对此损伤所起的作用。
Role of the cavity field, the electrostatic repulsive force at the domain boundary and self-enhanced diffraction light induced by physical imperfection on laser-induced surface damage are discussed.
用角谱理论来处理衍射光场,不仅速度快,而且在处理近场菲涅耳衍射光场时的准确度是其它方法无法比拟的。
When diffraction problems are solved by the angular spectrum theory, high speed and high accuracy can be obtained, especially for near-field Fresnel diffraction.
建立了描述厚层光刻胶内衍射光场形成过程的物理模型,并利用傅里叶模方法模拟计算和分析了其内部衍射光场分布。
Then Fourier model method, mostly applied to study the diffractive properties of gratings is adopted to analyze the diffractive image field in thick film photo resist.
建立了描述厚层光刻胶内衍射光场形成过程的物理模型,并利用傅里叶模方法模拟计算和分析了其内部衍射光场分布。
Then Fourier model method, mostly applied to study the diffractive properties of gratings is adopted to analyze the diffractive image field in thick film photo resist.
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