2) beam propagation
光束传输
1.
Based on classics Maxwell equations and the theory of diffraction integral equation is used to solve results of beam propagation when the Fresnel number of resonator is not far higher than 1.
根据菲涅耳—基尔霍夫衍射积分方程建立数值模型,采用matlab数值模拟的方法,对环型激光束传输方向的近场及远场强度的空间分布进行了分析。
2.
Based on the second-order moment theory of beam propagation,the properties of Lorentz beam have been investigated.
运用光束传输的二阶矩理论,对洛伦兹光束的传输特性进行了研究,给出了束腰、横向发散角和光束传输因子的表达式。
3.
Based on the nonparaxial vectorial moment theory of light beam propagation, the propagation characteristics of nonparaxial vector Gaussian beam have been systemically investigated.
运用非傍轴光束传输的矢量矩理论 ,对非傍轴矢量高斯光束的传输特性进行了系统的研究 。
3) beam propagation method
光束传输法
1.
Analysis of linearly tapered optical waveguide with the finite element beam propagation method;
有限元光束传输法分析锥形线性波导
2.
The characteristic of the light propagation across the wide angle crossed waveguide is analyzed using the finite difference beam propagation method(FDBPM).
采用有限差分光束传输法(FDBPM)分析光波在大角度交叉区域的传输过程,利用pad近似解决大角度传输问题;利用透明边界条件弥补边界光波反射现象,通过追赶法编程计算有限差分方程组,得到在一定光波导结构条件下传输损耗与交叉角度之间的关系。
3.
After the introduction of calculating the mode properties of optical fibers by Feit and Fleck 1977, the beam propagation method at present is the most widely used tool employed in the study of guided wave optics, largely owing to its numerical speed and simplicity.
针对这一情况,本文系统的研究了有限差分光束传输法和双向光束传输法,提出了一种新的双向光束传输法,实现了对传统双向光束传输法在计算精度和计算量上的改进。
4) multiple-beam propagation
多光束传输
5) the copropagation of two light beams
双光束传输
补充资料：单光束散斑干涉法
见散斑干涉法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条