0%C, mass fraction) surfacing layer by light beam heating were investigated by means of X-ray diffraction, SEM, EDAX, microhardness, Rockwell hardness, etc.
０％ 的 ＮｉＣｒＢＳｉ系自熔合金粉末光束堆焊层的微观组织及强化机理。
A 5kW light beam brazing equipment has been developed and tested.
研制和试验了功率为５ｋＷ的聚焦光束钎焊设备。
The propagation and transformation c ha racteristics of Gaussian spherical beam are analyzed in this paper.
本文讨论了高斯球面波的传播和变换特性 ,证明该光束具有非双曲线传播规律 ,指出以往有关该光束存在最大发散角的结论是对光斑尺寸的定义不合理引起
The experiment results of laser output beam pointing stability by measured with CCD camera is prevented.
报导用ＣＣＤ摄像机检测激光器输出光束的指向稳定性的实验结果。
Laser diode emits the elliptical divergent Gauss beam depended on temperature.
半导体激光器发出的是一束发散的椭园形高斯光束，并具有温度依赖性。
Based on these equations, an evolution equation of the beam waist has been obtained.
由光束在吸收克尔介质中传输的非线性近轴波方程 ,推导出具有二次相位分布的圆对称高斯光束在线性吸收介质中的耦合传输方程以及光束束腰的演化方程。
Design of Off-angle Beaming Device Based on Subwavelength Metal Thin Film Microstructure
金属薄膜亚波长微结构的光束集束器件设计
illuminating laser beam
照射激光束，照明激光束
collimated lihgt beam
准直光束，平行光束
Study of Laser Beam Width, Beam Quality and Focal Shift;
激光光束束宽、光束质量和焦移的研究
luminous flux
【物】光束, 光通量
double-beam grating spectrophotometer
双光束光栅分光光度计
double - beam spectrodensitometer
双光束分光光密度计
collimated laser beam
激光平行光束，平行激光束
This device splits the light beam into a measuring light beam and a reference light beam.
此设计把光束分成测量光束和参化光束。
split-beam photometric analyzer
分裂光束光度分析仪
single beam molecular absorption spectrometer
单光束分子吸收光谱仪
double beam molecular absorption spectrometer
双光束分子吸收光谱仪
laser beam type thermal detector
激光光束型感温推测器
headlight beam aiming control
前照灯光束对光操纵件
switch a car's headlights from a higher to a lower beam.
转变汽车的前灯使从高光束到低光束。
The Transformation of Gaussian Beams Pass through the Defocusing Telescope System;
高斯光束通过离焦激光扩束器的变换
The Beam Propagation Factor and the Focal Shift of Truncated Gaussian Beams
截断高斯光束的光束传输因子和焦移
Beam quality characterization of super-Gaussian beams passing through a spherically aberrated lens with an annular rectangular aperture
超高斯光束经光阑球差透镜后的光束质量评价
Theoretical Investigation of Propagation of Laser Beam and Ultrashort Pulsed Beam;
激光光束传输及超短脉冲光束传输的理论研究