论述闪光光源有效光强的测量方法及原理，并详细介绍我所自行研制的闪光有效光强测定仪。
The measuring method and principle of efficient intensity of flash source are described, and a flash efficient intensity tester is introduced in detail.
结论根据患者特点调控激光强度、照射方向、范围、次数是防止出血、穿孔和远期狭窄的有效手段。
Conclusion It is an effective method for adjusting the strength, direction, range and frequency of laser to prevent bleeding, perforation and long term urethral stricture.
结果表明，血卟啉的荧光强度和单态氧的量子产额较高，它们均为有效的光敏剂。
The results indicate that the laser fluorescence intensity and the singlet oxygen quantum yield of hematoporphyrin are better than others and they may be effective photosensitizers.
与接触模式工作的原子力显微镜相比扩大了测量范围。电子处理共模抑制系统可有效地抑制光强波动和降低系统电子噪声。
The electronic processing system is a common-mode rejection system so that insensitive to intensity fluctuations of the light source and minimizes noise from electronic system.
荧光强度与激发光强度的三次方关系表明，有效的荧光产生起源于三阶非线性光学效应的增强。
The intensity dependence of integrated luminescence on pump power shows that this is a third-order nonlinear optical effect.
通过低阶校正模式波前误差提高了探测器接收光强，并有效校正了波前倾斜。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
结果表明，齿形光阑能有效抑制光强的高频衍射，并降低横向光强分布的不均匀性。
It is shown that, the use of serrated apertures can suppress the high frequency diffraction of axial intensity and reduce the nonuniformity of transversal intensity distributions.
提出了一种采用两套超大红失谐消逝波干涉和一束蓝失谐消逝波光场来实现原子二维表面微光阱阵列和原子有效强度梯度冷却的新方案，得到了二维表面微光阱阵列的光强分布和光学势分布。
We propose a novel scheme to form a 2D surface array of optical micro-traps of cold atoms by using two sets of far red-detuned evanescent wave interference and a blue-detuned evanescent wave.
当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
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