激光

A home made laser diode was used to end pump a piece of 1.0 mm long Nd:YVO4 crystal dopped with 1.0%.

用国产的激光二极管端面泵浦厚2.0 mm、掺杂浓度1.0%的Nd：YVO4激光晶体，在注入泵浦光功率为8 W时，用5 mm长的I类临界位相匹配BIBO晶体获得的TEM00模蓝光输出达1.83 W。

In addition to the required treatment of sore and adjust the rake to laser, laser irradiation treatment elsewhere, pistol and during mobile treatment after placed a pistol, revolver head end export must point to a safe place!

除需治疗的患处和调整激光用的耙向外，严禁用激光照射其他地方，治疗过程中移动手枪和治疗完毕后放置手枪时，手枪头的末端出口必须指向安全的地方！

This paper only carried on the elementary research about 3D coaxial feeding head. Many problems didn't be solved, including development of new feeding device and systems of detecting and controlling.

本文仅对其中数控双轴转动聚焦系统进行了初步研究，但还有许多问题需要解决，如适合激光再制造的新型送粉器的研制，激光再制造过程中的多轴联动，智能监控系统等。

According to test, it is shown that feeding head possessed the characteristic of full-direction and adjustable focus of powder stream so that adapt to different requirement.

工业应用实验进行了导套激光三维再制造，分析激光熔覆与合金化层的缺陷产生及防止。

It is shown that it can solve the transport problem of alloy powder in long distance.Finally, Large area laser remanufacturing was carried out in metallic sheath and stainless steel plates using the powder feeder and 3D coaxial feeding head. The research can lay the foundation for further development of laser remanufacturing.

最后利用研制的送粉器和三维送粉工作头对导套零件和不锈钢板进行了大量的激光再制造的初步试验研究，为进一步发展激光再制造技术奠定了基础。

Focusing the laser (10 ns,1 064 nm) through K9 glass is used to study the relation between the damage appearance of the glass and the focusing position of the high intensity ns laser pulse.

利用脉宽为10 ns、波长为1064 nm的激光脉冲聚焦通过K9玻璃的方法，研究了玻璃的损伤形貌与高强度纳秒激光脉冲聚焦位置的关系。

The system possess of strong resistance to interference of emitted spectrum of laser ablation and can work under high frequences of laser pulse. The device is cheap, simple and practical.

系统具有抗激光加工产物干扰能力强，可在高的激光脉冲重复频率下工作，简单低廉等特点，很有实用意义。

The experiments of CARS of benzene and methylbenzene were Performed and the correlation time and frequency width of laser were estimated.

实验记录了苯、甲苯的CARS光信号与激光延时时间的关系，得出了激光的相干时间和线宽。

The test of friction and wear resistance for QT500-7 nodular cast iron strengthened by laser,i.

对拉丝机导轮材料QT500-7球墨铸铁激光强化后在屏显式摩擦磨损试验机上进行了摩擦磨损试验，并从激光强化后的组织变化分析了性能提高的原因。

Solid laser power supply acts as the electrical pump source that produces energy to inert gas discharge lamp to obtain the output of laser beam, so, it is one of the most important parts of the laser machining equipments and decides the overall performance of laser beam.

固体激光器电源作为提供能量给惰性气体放电灯以便获得大功率激光输出的电泵浦源，是激光加工设备中最重要的部件之一，是决定激光器整体性能的重要因素。

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