查询词典 laser

Physics mechanisms and measuring methods of thermal effect, field effect, mechanical effect, optical breakdown and laser produced plasma shock and acoustic wave in the interaction between high-power laser and layered material have been theoretically and experimentally studied.

本文从理论和实验上全面研究了高功率激光与层状物质相互作用过程中存在的热效应、场效应、力学效应、光学击穿、以及产生等离子体冲击波和声波的物理机理与测试方法。

As one example, the Bodyguard laser countermeasures system was developed to counter one particular type of precision guided weapon -- laser guided bombs and missiles.

如一个例子，&护卫&激光干扰系统被发展去对抗一种特别类型的精确制导武器--激光制导炸弹和导弹。

Such spike green-laser annealing yields low parasitic source/drain resistance and quasi-continuous improved poly-Si microstructures in green laser-activated TFTs, with reduced grain defects over the entire channel/junction.

在绿光雷射活化的薄膜电晶体中，这样快速的绿光雷射退火可获得低外部阻抗与近乎连续的改善复晶矽结构来降低通道中之缺陷。

In order to move, our hero has to block laser beams that guard all passageways or destroy laser cannons.

为了推动，我们的英雄已经阻碍激光束的后卫所有通道或破坏激光大炮。

The absorption properties of Nd:YVO4 crystals with various doping levels and lengths are reported.The 1 064 nm laser properties are compared,and the effective stimulated emission crosssections of different doping levels are calculated with upper-level life-times we have measured.Our investigation give a good advice for the optimization of LD end-pumped Nd:YVO4 laser.

对多种掺杂浓度、长度的Nd：YVO4晶体进行了吸收性质、激光性质的研究和对比，根据实验结果和测得的上能级寿命计算了不同掺杂浓度Nd：YVO4晶体的有效受激发射截面，对激光二极管端面泵浦Nd：YVO4固体激光器的最优化有实际指导意义。

This Al -free 980nm pump laser have many merits, such as improved catastrophic optical damage level; no degradation due to oxidation of aluminium during fabrication process and laser operation, which is desirable characteristic for multi-step growth; lower electrical and thermal resistance with GalnP cladding; better carrier confinement with GalnAsP confinement layers; Selective chemical etching between GaAs and GalnP maks precisely control for fabrication of stripe geometry lasers.· Calculated the physical parameters of ternary and quaternary III - V compoundsby interpolation formulas based on curve fits or on a linear regression, such aslattice parameter, band gap, and refractive index.· Using luttinger-kohn Hamiltonian-based propagation-matrix method presentedby S.L.

这种无Al980nm半导体激光器可以提高激光器出现腔面损伤所需的能量，消除在生长过程和应用过程中由于Al的氧化而使激光器的使用寿命缩短的问题，便于激光器的多次生长；以GaInP为盖层可以降低电阻和热阻；可以精确的控制GaAs和GaInP之间的化学刻蚀，便于激光器几何形状的控制。

1Finding out the principles of the two-dimensional finite element method for temperature field simulation of high power laserThe profile and boundary conditions of the chip and submount of the high power laser is simply, we adopt the right-angled triangle cell to divide the submount and chip of the laser into triangular elements.

1找到了适用于大功率半导体激光器温度场模拟的二维有限元规则大功率半导体激光器芯片与载体具有规整的外形和多个边界条件，所以我们对激光器载体和芯片都采用了直角三角形单元进行有限单元剖分。

Laser rangefinder consists of laser emission source, receiving system and optical antenna.

半导体激光测距仪主要由激光发射光源、接收系统和光学天线组成。

The micro-mechanism laser-thermal effect has been analyzed in particular. The relation between absorbance of organism for laser and temperature elevation and irradiation power, has been presented by means of quantum statistics.

着重对激光热作用效应进行了微观理论分析，用量子统计理论导出了生物组织对光的吸收系数、温升及激光辐照功率之间的关系式。

The response of ultra fast photoconduction detector made of SI-LEC GaAs crystal was studied experimently. The response time to picoseconds pulse laser and sensitivity to 532 nm direct current laser were obtained for GaAs detector.

实验研究了具有极快响应的SI-LEC GaAs光电导辐射探测器的响应，测量它对皮秒级脉冲激光的时间响应及对532 nm直流激光的灵敏度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。