refocused revolving beam

By applying the numerical simulation technology,it makes the optimization process for light beam heating parameters more efficient and economic.

采用数值模拟技术 ,可以使聚焦光束处理参数的优化过程更加经济、高效。

The technology of acquiring precise modified layer on construction material surface by light beam cladding was investigated and its effect on cladding layer quality was revealed.

研究了采用聚焦光束熔覆方法在结构材料表面获得精密改性层的工艺及其对熔覆层质量的影响。

In simulation of focused beam propagation with arbitrary focal length, the traditional beam propagation algorithm based on Fast Fourier Transform will fail to give right results due to the limitation of the sampling theorem.

由于取样定理的限制 ,常规的基于快速傅里叶变换 (FFT)光束传输模拟算法不能进行任意焦距聚焦光束的传输过程的模拟。

Optimum parameters for focusing of optical beams in self-defocusing nonlinear media;

自散焦介质中光束聚焦的最佳参数选择

A discussion is given about the focusing of optical beams due to the cross phase modulation in three dimensional self defocusing nonlinear media.

对三维自散焦介质中由交叉相位调制效应诱导的光束聚焦过程进行了系统研究 ,讨论了抽运光振幅、抽运光信号光初始偏移和抽运光信号光波长比三个参量对信号光聚焦过程的影响。

The preliminary understanding is obtained about the focusing of optical beams induced by cross phase modulation in three dimensional self defocusing nonlinear media.

初步研究了三维自散焦介质中由交叉相位调制效应引发的光束聚焦 ,详细分析了信号光在不同抽运光输入振幅时的演化过程。

Effect of Primary Spherical Aberration on Focusing of Circularly Polarized Vortex Bessel-Gaussian Beams

球差对圆偏涡旋贝塞耳-高斯光束聚焦场的影响

Focal switch effect of focused Bessel-Gaussian beams

聚焦贝塞尔-高斯光束的焦开关效应

Effective Fresnel Number and Focal Shifts of Focused Cylindrical Light Beams;

聚焦柱面光束的等效菲涅耳数及焦移

Focusing Properties of Beams: Focal Shift, Focal Switch and Phase Shift;

光束的聚焦特性研究：焦移，焦开关和相移

The energy source for laser beam machining is a highly concentrated beam of light.

激光切削的能量来源于一束高聚焦光。

Non-paraxial Vector Theory for Self-focusing of Intens e Laser Beams;

强光束传输的非旁轴矢量自聚焦理论

Small-Scale Self-Focusing of Divergent Beams in Gain Medium

增益介质中发散光束的小尺度自聚焦

Numerical Research on Induced Focusing of Optical Beams in Self-defocusing Media;

自散焦介质中光束诱导聚焦的数值研究

A Study on the Focusing Properties of Laser Beams Passing Through an Astigmatic Lens;

激光光束通过像散光学系统的聚焦特性研究

PRECISE FOCUSING AND DIAGNOSIS TECHNOLOGY FOR LASER BEAMS IN ICF TARGET CHAMBER

惯性约束聚变靶场激光束精密调焦及诊断技术

For a wiggly-line trace, the beam is focused on the scope face at a point.

对于波形道，光束在荧光屏面的一点上聚焦。

Optical Trapping Technology and Study on the Focusing Properties of Annular Laser Beam;

激光捕获技术及环形光束的聚焦特性研究

Suppression of small-scale self focusing of high power laser using moving beam

利用运动光束抑制高功率激光小尺度自聚焦

Influence of Beam Quality on Propagation and Focus of Laser Beam and Quality of Laser Materials Processing;

激光光束质量对光束传输聚焦和加工质量的影响

Study on the Focusing Properties of Beams and the Spreading of Partially Coherent Beams Propagating Through Turbulent Atmosphere;

光束的聚焦特性和部分相干光通过湍流大气传输光束扩展的研究

Effects of Turbulent Atmosphere Low-order Aberrations on the Focusing Vortex Carrying Gaussian Beam

湍流大气低阶像差对聚焦高斯涡旋光束焦面光强的影响

Focusing of an anomalous hollow beam by a spherically aberrated aperture lens and its phase singularities in the focal region

异常空心光束通过球差光阑透镜的聚焦和在焦区的位相奇异特性

Focus: The point at which rays of light, which have been coming closer together ,finally meet.

焦点:光束逐渐集中以至最后聚合于一点的位置。