光束

聚焦光束堆焊铜基自熔合金过程中Fe3Si增强相的反应合成

Reaction synthesis of Fe_3Si reinforcement via light beam surfacing of Cu-based self-fluxing alloy

FTIR结构中光束的透射和反射

Refection and transmission of light beam in FTIR configuration

一束手电筒的光束在离他们的藏身之地只有几码远的灌木丛里搜寻着。

A flashlight beam probed the underbrush only yards away from their hiding place

太阳的光束从云隙中透射出来。

Gleams of sunshine came through the breaks of the cloud .

有像散存在时甚至很窄的平行光束都不能会聚在一点。

Under astigmatism even narrow parallel light beams will not combine into one point .

光束扩展理论应用于LED投影显示系统

Application of Etendue Theory in LED Projection Display

TEACO2激光器输出光束的能量密度分布一般为平顶型分布。

Generally , the energy density distribution of a TEA CO_2 laser was flat-topped .

N2激光器光束诊断

N_2 laser beam diagnostics

用单光束方法研究C（60）/C（70）溶液的非线性光学性质

Study of nonlinear optical properties of C_ ( 60 ) / C_ ( 70 ) solution with a single light beam

用LCD产生位错光栅生成空心光束

Production of Hollow beam by Dislocation Grating with LCD

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。

The experiment results of laser output beam pointing stability by measured with CCD camera is prevented .

ThinDisk激光器由于其独特的设计可以同时获得高转换效率和光束质量。

With the novel design of the diode-pumped thin disk laser high optical efficiency and good beam quality can be realized simultaneously .

KW级高光束质量横流CO2激光焊接机的研究

A Study on Transverse-Flow CO_2 Laser Welding Machine of Kilowatt Level and High Beam Quality

初步证实了TEACO2激光器输出光束的能量密度分布可以按厄米-高斯函数展开。

It was proven that the energy density distribution of a TEA CO_2 laser could be expanded in Hermit-Gauss functions .

光束相干驱动声子场提高SBS相位共轭保真度稳定性

Beam Interference Driving Acoustic Wave Enhances the Stability of SBS Phase conjugation Fidelity

另外，利用几何光学方法得到了激光光束在X方向、Y方向以及空间立体角上的漂移大小。

The amount of the drift in X direction , Y direction and in spatial angle can be obtained through geometrical optics .

通过内置面阵CCD来监测激光光点位置，并利用共轭光路法引导光束到预定位置。

The laser points are monitored by build-in CCD , and directed to preset positions by conjugate light paths .

GaxIn（1-x）P/AlGaInP多量子阱的吸收/反射光谱：多光束干涉的影响与消减

Absorption and Reflectivity of GaInP / AlGaInP Multiple Quantum Wells : Influence and Reduction of Multi-Beam Interference

采用较合理的光路，显著地减小N＿2激光光束的弥散损耗，使系统的效率有较大的提高。

The beam diffusion loss of the N_2 laser , used as the pumping source , is cut down greatly , therefore the system efficiency is raised obviously .

文中提出了一种新的CO浓度检测系统，根据光谱吸收原理，采用双光束气体浓度检测技术。

A new system of concentration measurement of carbon monoxide is presented . Based on the spectrum absorption theory , double-beam detection technology is used .

文中还给出了在同步辐射实验室显微术光束线中用激光干涉法制作高分辨率软X波带板的光学系统。

The con figuration of aplanat for making high resolution X-ray Zone plate to be used in beam line of Synchrotron Radiation Laboratory is also presented .

采用脉冲激光双光束沉积系统在Si（111）衬底上生长了掺Mg的GaN薄膜和未掺杂GaN薄膜。

The GaN thin films were grown on Si ( 111 ) substrate by Mg-doping simultaneously using a pulsed laser two-beam deposition system .

光束合金化合成Fe-Al系金属间化合物涂层的微观特征

Microstructure characteristics of Fe-Al intermetallic compound coating synthesized by light beam alloying

采用丙酮液体作为相位共轭镜改善光束质量，实验研究了高重复频率二极管泵浦Nd：YAG双程放大器中液体SBS相位共轭技术的应用。

Phase conjugation technology with liquid CH_3COCH_3 as medium to improve beam quality in double-pass amplifier laser system is experimentally investigated .

应用Talbot效应检验大口径光束的准直性

Measurement of Large Beam Collimation by Using Talbot Effect

光束分数傅里叶变换的Wigner分布函数分析方法

Fractional Fourier transform of beams in the use of the Wigner distribution function method

高斯光束通过单丝的Fraunhofer衍射

Fraunhofer diffraction of Gaussian beam through a filament

报道用不对称的法布里-珀罗（AFP）多光束干涉膜测量极化聚合物的线性电光效应。

The linear electro optic measurement of poled polymer utilizing an asymmetric Fabry Perot ( AFP ) multiple reflection film was reported .

并给出了HLG光束的M2因子。

The M ~ 2 factor of HLG beams is also given .

KTP晶体环形腔外腔倍频Nd∶YAG激光光束特性的研究

Study of Beam Quality and Focus of Frequency Doubling in a KTP Crystal on Nd ∶ YAG Laser by the Resonant External Ring Cavity