本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
利用线性稳定法研究非傍轴光束在非线性克尔介质中的传播稳定性。
Propagation stability of non-paraxial beam in nonlinear Kerr media is investigated by using the linear stability method.
从傍轴波动方程出发,给出了超短双曲正割脉冲光束的解析解。
By starting from the paraxial wave equation, the analytical expression of the ultrashort Hyperbolic Secant pulsed beam are deduced.
非傍轴光束的光束质量因子.I。定义。
Optical Beam Quality Factor of Nonparaxial Light Beams. I. Definition.
研究了沿光轴入射的傍轴光束在单轴左手介质中传输的矢量性质。
The vectorial properties of paraxial beams propagating along the optical axis of uniaxial left-handed materials are studied.
给出描述光波通过傍轴光学系统衍射的柯林斯公式及其逆运算表达式。
Collins formula, which describes the diffraction of light wave passed through a near-axis optical system, and its inverse calculation expression are presented in this paper.
采用二次形函数薄层单元和傍轴边界分别模拟弹性半空间上的层状场地和半空间。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
并依据部分相干光的交叉光谱密度的傍轴传输方程,重新定义了普遍的部分相干光的传输因子。
The new definition of the beam propagation factor for partially coherent light is proposed through the propagation equations of the cross-spectral density.
本文提出圆柱形强流电子束的傍轴轨迹方程,可以用台劳展开求出它的近似解。
An approximate solution of the paraxial ray equation for cylindrical dense electron beams was obtained by means of the Taylor expansion.
由非傍轴光线光学理论出发,分析了光学元件列阵的成像特性,得到了普适的成像特性变换矩阵,该结论自动地包含了傍轴近似的情形。
According to the ray optics, the imaging properties of optical arrays areanalysed. A general imaging transfer matrix including a special case:paraxial ray approximation is obtained.
阴极处磁场可以具有任意屏蔽程度,得到了在加速场内描写电子轨迹的傍轴方程的解析解。
The cathode of the gun may be partially shielded magnetically. The paraxial-ray equation for describing the electron trajectory in the accelerating region is solved in closed form.
基于瑞利衍射积分公式,推导出非傍轴离轴高斯光束相干合成和非相干合成在自由空间中传输的解析公式。
Starting from the Collins formula, the properties of the off-axis Gaussian beam (OAGB) propagating through a paraxial ABCD optical system with an aperture are studied in detail.
基于瑞利衍射积分公式,推导出非傍轴离轴高斯光束相干合成和非相干合成在自由空间中传输的解析公式。
Starting from the Collins formula, the properties of the off-axis Gaussian beam (OAGB) propagating through a paraxial ABCD optical system with an aperture are studied in detail.
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