激光

The results are introduced in this paper. Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

结果表明：激光辐照Au盘靶时，在聚焦条件下背向散射能量约占打靶激光能量的7.8%；在束匀滑条件下背向散射能量份额下降到6.2%左右，证明了束匀滑可有效抑制背向散射。

To study the relation between clinical effectiveness and laser parameter, 180 cases of telangiectasis were treated with Versapulse532nm laser and animal experiment was performed.

用Versapulse532nm激光治疗毛细血管扩张180例及动物实验，探讨其临床疗效与激光参数的关系。

Methods:145 patients of skin vascular diseases were treated with 595nm pulsed dye laser with different therapeutic parameters according to different disease types, including 42 cases of nevus flammeus, 10 cases of strawberry nevus, 2 cases of cavernous hemangioma, 45cases of facial telangiectasis, 15 cases of angioma, 9 cases of spider angioma, 15 cases of rosacea and 7 cases of keloid.

皮肤血管性疾病患者145例，其中鲜红斑痣42例，草莓状血管瘤10例，海绵状血管瘤2例，面部毛细血管扩张45例，血管痣15例，蜘蛛痣9例，酒糟鼻 15例，疤痕增生7例。应用595nm可变脉冲染料激光，针对不同病变类型，采用不同治疗参数进行激光辐射治疗。

As the inventor of "Floating Pin" technology and the leader of laser markers, Telesis has installed over 35,000 marking systems worldwide.

作为浮针打标的创始者和激光打标的引领者，Telesis已经在全球安装了35，000多套系统，机械打标系统销量遥居全球第一，激光打标系统销量居北美第一。

The thermal radiation in visible wavelength could be detected in order to analyse temperature.

本文旨在研究激光再制造过程中激光熔池的温度场分布，为该技术的发展作进一步研究。

Bi2Sr2Co2Oδ Thermoelectric Thin Films Prepared by Pulsed Laser Deposition and Study on Laser Induced Thermoelectric Voltages Effect.

脉冲激光沉积法制备Bi2Sr2Co2Oδ热电薄膜及其激光感生的热电电压效应。

The principle and method that the light splitter,attenuator and thermopile are used for testing the power of laser are introduced.

阐述了利用分光器、衰减器和热电堆检测激光功率的原理和方法，该检测方法满足了系统实时参数检测和对测量精度优于5%的要求；介绍了利用隔离器抑制激光电源产生的强共模干扰对系统影响方法和系统嵌入式硬件设计的原理和系统软件功能。

The research trend and development of laser cladding technique at home and thread are summarized in this paper, including laser cladding equipment, materials, coating performance and industrial applications.

首先从激光熔覆用设备与材料、熔覆层的性能以及工业应用等方面，综述了国内外激光熔覆技术的研究动态与进展。

Also, based on the broad-area mode theory, the mode characteristic of external cavity semiconductors is studied. The dependence of output power, threshold and oscillation frequency on external cavity are presented and compared with experiment result.

并在此基础上，理论分析了外腔反馈注入改善半导体激光器输出激光模式特性的机理，同时还讨论了外腔反馈注入对半导体激光器输出激光的功率，出光阈值，振荡频率等特性的影响，得出了和实验结果相吻合的结论。

Some conclusions were presented about the relationship between threshold intensity and laser parameters.

应用光强与功率、能量、辐照曝光量和电场强度之间的关系，得到了它们随激光脉冲参数脉宽、波长和光斑尺寸的动态关系，这为进一步研究飞秒激光与水和含水介质的相互作用提供了理论依据。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。