激光

So DOE is used in transmitting and receiving optics of laser radar,which can not only collimate laser beam,but also can transform and shape the laser wavefront.

将衍射光学元件用于激光雷达的光学系统上，不仅可以实现对激光光束的准直，同时还可以对光波波前进行变换和整形。

A transmitting antenna with tapered fiber is proposed to transform the divergence partially coherent light formed by multi-mode fiber to collimate light. This structure can produce a partially coherent light of low divergence and guarantee the output power of laser transfers completely. It is applicable to laser communication in atmosphere.

提出采用直锥形光纤作为大气激光通信的发射天线，将多模光纤输出的部分相干发散光束变换为准平行光束的方案，既能得到发散角很小的部分相干激光光束，又能保证激光器输出能量的完全传输。

Among this technique, we use a simple, economical and practical collimation method-single lens collimation method to collimate semiconductor laser beam, and use moving objective scanning method to make laser point scan on the lofting plane.

其中用单透镜准直法对有大发散角的半导体激光光束成功地实现了准直，既简单又经济实用；用平移物镜法实现了激光点的扫描。

We look to the hoof beat origin place and see the innumerable fast ride big tall horse' shadow to rush to the direction of blue color wooden race bonfire party, and under moonlight shining, it clear screen the lasers, that is the killing laser weapon!

我们赶忙向马蹄声来源处看去，只见，无数道骑着高头大马的黑影快速的朝着蓝色木族篝火晚会的方向闪动，在月光的照耀下，可以清晰的映出道道激光，那是杀人的激光兵器啊！

The distribution of the time width of heating configuration in the space above the ground is also discussed.

为了提高激光加热的效果，应当让激光辐照到圆柱体表面的功率面密度足够大。

This phase conjugation mirror is used in high repetition rate system to improve the beam quality.

该相位共轭镜可以用于高重复频率激光系统中以改善激光光束质量。

Purpose: To observe the curative effect of treating the conjunctiva pigment mole with laser of the semiconductor nm wavelength.

目的：观察半导体激光和Nd：YAG激光治疗结膜色素痣的疗效。

The result indicates that the impact of inner-scale on scintillation is important,at the same time the scintillation index varies with the wave length and structure constant of atmospheric.

结果表明：湍流内尺度对激光大气水平传输过程中的光强闪烁效应具有重要的影响，同时闪烁指数还随着传输激光的波长和大气结构常数等的变化而变化。

The result indicated:Without considering the influence of atmospheric turbulence,the visibility is higher,the beam intensity attenuation is smaller;Under the condition that only considered the atmospheric turbulence influence,wave length of transmission laser and refractive index of atmospheric structure constant have an important influence on beam intensity distribution.

结果表明：在不考虑大气湍流影响的条件下，能见度越高，光强衰减越小；在只考虑大气湍流影响的条件下，传输激光的波长，大气折射率结构常数，对激光远场光强分布具有重要影响。

Aim To study dynamical character of system using continuity equation of laser.

目的用激光连续方程研究激光系统的动力学行为。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新