星火的回答是：射出去6英里远的激光到大气中间层，测量失真，然后调整激光的反射镜直到光束背对焦点。
Starfire’s answer: Shoot a laser 56 miles into themesosphere and measure the distortion. Then adjust the laser’smirrors until the beam is back in focus.
激光器是将光放大，产生光束的设备。它是一种距离远、直线性、单色光，它有固体、气体、半导体、液体。
Lasers are devices which amplify and produce beams of light which are very distance, directional, and pure in color. They can be solid state, gas, semiconductor, or liquid.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
针对激光系统对光束匀滑的需求，设计了高斯型连续相位板，并对其远场特性进行了研究。
According to the requirement of beam smoothing in laser systems, the continuous phase plate with Gaussian distribution is designed.
光束模式展开法可用于近似计算远场的弱截断光束。
The beam expansion method is suited to approximate the weakly truncated beams in the far field.
定义两种描述高斯光束被硬边光阑弱衍射的远场下的光阑ABCD矩阵。
Two ABCD matrices for describing hard apertured Gaussian beams weakly diffracted in the far field are defined.
讨论环形孔径高斯光束的远场光斑能量分布，并给出拟合表达式。
The energy distribution of far field spot for annular aperture Gaussian beam is discussed and the fitting expression is given.
由于光泵浦热效应，高功率固体激光器的输出参数如光束远场发散角、输出功率等会发生变化。
The output parameters such as beam divergence angle in far-field output power of high power solid state lasers are variable due to thermal effect of optical pumping.
在对远场光强分布分析的基础上，对非稳腔的光束质量作了详细研究。
Based on the analysis of the far field intensity distribution, the beam quality of unstable resonators has been studied in detail.
报道了一种具有垂直集成无源波导的耦合波导结构量子阱激光器的理论设计，它可以使垂直结平面方向的远场光束发散角得到有效的降低。
In this paper, the theoretical design for the quantum well lasers with vertically integrated passive waveguides, which decreases the vertical beam divergence effectively, are reported.
结果表明：热效应使远场光束的峰值光强和可聚焦能力下降。
It is shown that the thermal effect decreases the peak intensity and beam focusability in the far field.
结果表明，远场光束质量与初始场的空间分布有关，且随发射功率增大而变差。
It is shown that the beam quality in the far field depends on the initial field distribution, and is degraded with increasing emissive power.
采用数值计算方法分析了高能激光在光束控制器内部传输所产生的热效应及其对激光远场光斑的影响。
The thermal effect of high-energy laser produced within the beam controller and its influence on laser far-field spot are analyzed with numerical calculation method.
从部分相干光的传输理论出发，研究了被光阑衍射扭曲高斯·谢尔模型光束远场的光谱变化规律。
Starting from the propagation theory of partially coherent light, the spectrum of twisted Gaussian Schell-model beams in the far field are studied.
研究结果表明，光阑衍射部分偏振高斯·谢尔模型光束的远场特性与光阑截断参量、光的空间相干性和衍射角有关。
It is shown that the far-field behavior of diffracted partially polarized Gaussian Schell-model beams depends on the truncation parameter, spatial coherence parameters and diffraction Angle.
对半导体激光器光束准直场的研究具有重要的意义，半导体激光器的远轴模型能精确描述其发出的光束。
The study on collimation properties of semiconductor laser beams is valuable and the off-axis model can characterize accurately the output beams of semiconductor laser.
激光远场光斑测量对描述激光束的远场性能，评价激光器以及系统的实际工作性能具有重要意义。
It is very important to measure the laser spot energy distribution in the field for describing the laser beam performances and evaluating the lasers and operational performances.
但是在湍流强度较强的情形下，相干合成远场光束质量退化致非相干合成的情形，与激光阵列的紧凑度和激光波长无关。
In strong turbulent atmosphere, the far-field beam quality degrades into the incoherent combining case without any relationship with the fill factor and laser wavelength.
该系统超出了美国当前对前大灯的管理规定，它要求远光光束与近光光束要有单独的开关操控。
This system outpaces current U. s. headlight regulations, which require a separate switch setting for high and low beams.
利用激光光束直线基准进行自准直角度测量具有测量精度高、测量距离远等优点。
Using laser beam as a linear reference to realize autocollimation Angle measurement has advantages such as high accuracy, long measurement distance, etc.
散射诱导的多色高斯光束远场光谱开关属于“奇点光学”效应。
The phenomenon of scattering-induced spectral switches of polychromatic Gaussian beams in the far zone belongs to the effect in singular optics.
研究了超短高斯脉冲光束经线性排列的矩形光阑阵列衍射后的远场光谱奇变现象。
The far-field anomalous spectral behaviors of a Gaussian pulsed beam passing through a linear circular apertures array are studied.
讨论了环形孔径高斯光束的远场光斑能量分布，并给出了拟合表达式。
The far-field irradiance distribution of a Gaussian beam which is transmitted from telescope with certain center obscure is researched in this paper.
子束随机像差降低了合成光束的远场光斑峰值功率，并引起光束的弥散。
The random aberration of each beam reduces peak intensity of their far-field combination spot, and makes it dispersion.
结果表明：强的激波结构使激光束远场强度分布发生了向光程增大方向的明显偏折，对于波长不同的激光束得到光束通过流场后的远场强度分布不同。
Result shows that laser beam deflects to the direction which optical path length increase. The far-field intensity of laser beam is not the same for the difference of wavelength.
首次将远场激光束的空间分布、脉冲波形和中心能量测试纳入到一个体系中。
By the system, far-field beams space distribution, pulse waveform and center energy information can be attained simultaneity for the first time.
研究了光束占空比对远场光斑的影响，分析了影响腔内损耗的主要因素。
The influence of duty ratios on the interference patterns in the far field is studied. Main factors that affect the cavity loss are analyzed.
分析表明，与径向偏振光束相比，环向偏振光束在远场具有更好的能量集中度。
The analyses show that azimuthal polarization compared with radial polarization has better energy focusability in the far field.
束宽和远场发散角的相对误差随球差系数绝对值的增加和光束阶数的减小而增加；
The relative errors of the beam width and far-field divergence angle introduced by the spherical aberration increase with increasing spherical aberration coefficient and decreasing beam order.
束宽和远场发散角的相对误差随球差系数绝对值的增加和光束阶数的减小而增加；
The relative errors of the beam width and far-field divergence angle introduced by the spherical aberration increase with increasing spherical aberration coefficient and decreasing beam order.
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