1·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。
2·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。
3·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。
4·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。
5·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。
1·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。
2·Within the framework of the paraxial approximation the matrix decomposition and equivalent transformation of misaligned optical systems are studied in detail based on matrix method in optics.
在傍轴近似下，采用矩阵光学方法详细研究了失调光学系统变换矩阵的分解与等效变换问题。
3·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。
4·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。
5·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。