The early research was based on the scalar approximation and paraxial approximation.
早期的自聚焦研究是在考虑了傍轴近似和标量场近似的前提下得到的。
Tracing and paraxial ray tracing are performed analytically by a Hamiltonian formalism.
由哈密顿函数法就可进行解析射线追踪和傍轴射线追踪。
The ray propagation and paraxial image characteristics of a taper-like GRIN fiber is studied in this paper.
本文研究了一种类锥形梯度折射率纤维的光线传播特性和近轴成象规律。
Based on paraxial meridian-ray equation, the principle of fibre accelerometer using self-focussing lens is studied;
本文根据近轴子午光线方程，研究了自聚焦透镜光纤加速度计的工作原理；
Under the paraxial approximation, the optical transformation matrix of the upside down taper lens fiber end is given.
在近轴近似下，给出了这种光纤端的光学传递矩阵。
The derivation of the relationship between the paraxial wave equation and the complex source points is given and proved.
推导并证明了旁轴波动方程的解与复源点方法之间的一致性关系。
Propagation stability of non-paraxial beam in nonlinear Kerr media is investigated by using the linear stability method.
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。
Furthermore, the conditions have been given that Gaussian beam is a paraxial approximation solution of the wave equation.
进一步指出了高斯光束作为波动方程傍轴近似解的条件。
The vectorial properties of paraxial beams propagating along the optical axis of uniaxial left-handed materials are studied.
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。
In this paper, it is analyzed the propagation of a Gaussian beam in fiber media with ray tracing under the paraxial approximation.
利用光线追踪方法在近轴近似下模拟了高斯光束在不同折射率分布纤维状介质中的传播。
By starting from the paraxial wave equation, the analytical expression of the ultrashort Hyperbolic Secant pulsed beam are deduced.
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。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
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。
Based on complex ray method, a paraxial approximation analysis of Gaussian beam transmission through a dielectric radome is presented.
本文根据复射线法对通过介质天线罩的高斯波束场进行近轴近似分析。
The condition has been discussed, under which SG beams preserve their shape and order, while passing through paraxial optical systems.
还研究了超高斯光束通过近轴光学系统时，保持其形状和阶数不变的条件。
An approximate solution of the paraxial ray equation for cylindrical dense electron beams was obtained by means of the Taylor expansion.
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。
The focus measures are drived from the paraxial geometric optics model. All these focus measures have good monotonicity and unimodality.
利用近轴几何光学模型推导出焦距标度，这些焦距标度都具有良好的单调性和单峰性。
The simple linear relationship between off-axis distance and delay time was also derived in the case of paraxial and remote transmission.
在近轴、远距离传输情况下的离轴距离与延迟时问成简单的线性关系。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
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。
From the analogy between pulses propagation in time and the paraxial optics, the nonlinear Kerr media is approached by a time quadratic index media.
从空域与时域的相似性出发，把克尔介质近似为时域二次折射率介质，从而得到了脉冲在该介质中的解析形式，并给出了相应的时域传输矩。
Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.
从近轴波动方程出发推导了窄带和宽带双曲正割脉冲光束的解析传输公式。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much...
所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。
The electromagnetic transmission performance of a 2-D cylindrical magnetic radome is analyzed by complex ray paraxial approximation method in this paper.
利用复射线近轴近似法分析二维圆柱形磁性天线罩的电磁传输特性。
It is proved in a complicated optical system that the diffraction integration in terms of ray matrix element is the right solution 'for paraxial equation.
对复杂光学系统证明了光线矩阵元表达的衍射积分是旁轴波动方程的准确解。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
Based on the classical theory of electromagnetism, the relation and the difference between OAM and the parameter of the beam in paraxial approximation are analyzed.
从经典电磁场理论出发，主要介绍了傍轴近似条件下，光束的轨道角动量和光束的参数之间的关系。
Using this data structure, stray light analysis software of laser systems is programmed, the examples are given and the paraxial stray light binary trees are built.
利用这种数据结构，作者编制了激光光学系统杂散光分析软件，针对两个实例建立了近轴鬼光束树。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.
所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.
所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。
应用推荐